Home / 1,412,985,312.34-1,949,884,092.14-777,899,463.92

Finding the Fourth Proportional to 1,412,985,312.34, 1,949,884,092.14 and 777,899,463.92

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Solution

The fourth proportional to 1,412,985,312.34, 1,949,884,092.14 and 777,899,463.92 is: 1,073,481,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,985,312.34 : 1,949,884,092.14 = 777,899,463.92 : x
  2. Step 2: Convert to fraction form
    1,412,985,312.34/1,949,884,092.14 = 777,899,463.92/x
  3. Step 3: Cross multiply
    1,412,985,312.34x = 1,949,884,092.14 × 777,899,463.92
  4. Step 4: Simplify right side
    1,412,985,312.34x = 1,516,813,789,981,841,920
  5. Step 5: Solve for x
    x = 1,516,813,789,981,841,920/1,412,985,312.34
  6. Step 6: Final answer
    x = 1,073,481,639.71

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.