Home / 459,438,158.49-634,078,260.71-261,229,352.04

Finding the Fourth Proportional to 459,438,158.49, 634,078,260.71 and 261,229,352.04

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Solution

The fourth proportional to 459,438,158.49, 634,078,260.71 and 261,229,352.04 is: 360,526,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,438,158.49 : 634,078,260.71 = 261,229,352.04 : x
  2. Step 2: Convert to fraction form
    459,438,158.49/634,078,260.71 = 261,229,352.04/x
  3. Step 3: Cross multiply
    459,438,158.49x = 634,078,260.71 × 261,229,352.04
  4. Step 4: Simplify right side
    459,438,158.49x = 165,639,853,186,617,344
  5. Step 5: Solve for x
    x = 165,639,853,186,617,344/459,438,158.49
  6. Step 6: Final answer
    x = 360,526,983.07

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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.