Home / 1,294,065,335.40-1,941,098,003.10-858,708,868.20

Finding the Fourth Proportional to 1,294,065,335.40, 1,941,098,003.10 and 858,708,868.20

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Solution

The fourth proportional to 1,294,065,335.40, 1,941,098,003.10 and 858,708,868.20 is: 1,288,063,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,065,335.40 : 1,941,098,003.10 = 858,708,868.20 : x
  2. Step 2: Convert to fraction form
    1,294,065,335.40/1,941,098,003.10 = 858,708,868.20/x
  3. Step 3: Cross multiply
    1,294,065,335.40x = 1,941,098,003.10 × 858,708,868.20
  4. Step 4: Simplify right side
    1,294,065,335.40x = 1,666,838,069,307,281,152
  5. Step 5: Solve for x
    x = 1,666,838,069,307,281,152/1,294,065,335.40
  6. Step 6: Final answer
    x = 1,288,063,302.30

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Half scale
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Double scale
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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.