Home / 387,832,889.77-581,745,500.62-177,683,966.28

Finding the Fourth Proportional to 387,832,889.77, 581,745,500.62 and 177,683,966.28

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Solution

The fourth proportional to 387,832,889.77, 581,745,500.62 and 177,683,966.28 is: 266,524,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,832,889.77 : 581,745,500.62 = 177,683,966.28 : x
  2. Step 2: Convert to fraction form
    387,832,889.77/581,745,500.62 = 177,683,966.28/x
  3. Step 3: Cross multiply
    387,832,889.77x = 581,745,500.62 × 177,683,966.28
  4. Step 4: Simplify right side
    387,832,889.77x = 103,366,847,915,261,584
  5. Step 5: Solve for x
    x = 103,366,847,915,261,584/387,832,889.77
  6. Step 6: Final answer
    x = 266,524,192.87

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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.