Home / 1,310,648,720.30-1,965,973,080.45-341,300,336.30

Finding the Fourth Proportional to 1,310,648,720.30, 1,965,973,080.45 and 341,300,336.30

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Solution

The fourth proportional to 1,310,648,720.30, 1,965,973,080.45 and 341,300,336.30 is: 511,950,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,648,720.30 : 1,965,973,080.45 = 341,300,336.30 : x
  2. Step 2: Convert to fraction form
    1,310,648,720.30/1,965,973,080.45 = 341,300,336.30/x
  3. Step 3: Cross multiply
    1,310,648,720.30x = 1,965,973,080.45 × 341,300,336.30
  4. Step 4: Simplify right side
    1,310,648,720.30x = 670,987,273,514,332,032
  5. Step 5: Solve for x
    x = 670,987,273,514,332,032/1,310,648,720.30
  6. Step 6: Final answer
    x = 511,950,504.45

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Half scale
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Double scale
Find fourth proportional to 1,310,648,721.30, 1,965,973,081.95 and 341,300,337.30
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.