Home / 1,294,369,040.70-1,941,553,561.05-748,829,763.90

Finding the Fourth Proportional to 1,294,369,040.70, 1,941,553,561.05 and 748,829,763.90

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Solution

The fourth proportional to 1,294,369,040.70, 1,941,553,561.05 and 748,829,763.90 is: 1,123,244,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,369,040.70 : 1,941,553,561.05 = 748,829,763.90 : x
  2. Step 2: Convert to fraction form
    1,294,369,040.70/1,941,553,561.05 = 748,829,763.90/x
  3. Step 3: Cross multiply
    1,294,369,040.70x = 1,941,553,561.05 × 748,829,763.90
  4. Step 4: Simplify right side
    1,294,369,040.70x = 1,453,893,094,720,275,712
  5. Step 5: Solve for x
    x = 1,453,893,094,720,275,712/1,294,369,040.70
  6. Step 6: Final answer
    x = 1,123,244,645.85

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Double scale
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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.