Home / 725,513,438.70-1,088,059,323.96-282,757,578.30

Finding the Fourth Proportional to 725,513,438.70, 1,088,059,323.96 and 282,757,578.30

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Solution

The fourth proportional to 725,513,438.70, 1,088,059,323.96 and 282,757,578.30 is: 424,054,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,513,438.70 : 1,088,059,323.96 = 282,757,578.30 : x
  2. Step 2: Convert to fraction form
    725,513,438.70/1,088,059,323.96 = 282,757,578.30/x
  3. Step 3: Cross multiply
    725,513,438.70x = 1,088,059,323.96 × 282,757,578.30
  4. Step 4: Simplify right side
    725,513,438.70x = 307,657,019,489,664,768
  5. Step 5: Solve for x
    x = 307,657,019,489,664,768/725,513,438.70
  6. Step 6: Final answer
    x = 424,054,198.14

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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.