Home / 1,294,221,406.80-1,941,332,110.20-1,078,987,801.80

Finding the Fourth Proportional to 1,294,221,406.80, 1,941,332,110.20 and 1,078,987,801.80

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Solution

The fourth proportional to 1,294,221,406.80, 1,941,332,110.20 and 1,078,987,801.80 is: 1,618,481,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,221,406.80 : 1,941,332,110.20 = 1,078,987,801.80 : x
  2. Step 2: Convert to fraction form
    1,294,221,406.80/1,941,332,110.20 = 1,078,987,801.80/x
  3. Step 3: Cross multiply
    1,294,221,406.80x = 1,941,332,110.20 × 1,078,987,801.80
  4. Step 4: Simplify right side
    1,294,221,406.80x = 2,094,673,666,148,453,376
  5. Step 5: Solve for x
    x = 2,094,673,666,148,453,376/1,294,221,406.80
  6. Step 6: Final answer
    x = 1,618,481,702.70

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,294,221,407.80, 1,941,332,111.70 and 1,078,987,802.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.