Home / 1,294,858,363.80-1,942,287,545.70-907,119,010.20

Finding the Fourth Proportional to 1,294,858,363.80, 1,942,287,545.70 and 907,119,010.20

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Solution

The fourth proportional to 1,294,858,363.80, 1,942,287,545.70 and 907,119,010.20 is: 1,360,678,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,858,363.80 : 1,942,287,545.70 = 907,119,010.20 : x
  2. Step 2: Convert to fraction form
    1,294,858,363.80/1,942,287,545.70 = 907,119,010.20/x
  3. Step 3: Cross multiply
    1,294,858,363.80x = 1,942,287,545.70 × 907,119,010.20
  4. Step 4: Simplify right side
    1,294,858,363.80x = 1,761,885,955,979,171,328
  5. Step 5: Solve for x
    x = 1,761,885,955,979,171,328/1,294,858,363.80
  6. Step 6: Final answer
    x = 1,360,678,515.30

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Double scale
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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.