Home / 362,349,920.20-542,987,402.94-266,141,515.72

Finding the Fourth Proportional to 362,349,920.20, 542,987,402.94 and 266,141,515.72

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Solution

The fourth proportional to 362,349,920.20, 542,987,402.94 and 266,141,515.72 is: 398,817,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,349,920.20 : 542,987,402.94 = 266,141,515.72 : x
  2. Step 2: Convert to fraction form
    362,349,920.20/542,987,402.94 = 266,141,515.72/x
  3. Step 3: Cross multiply
    362,349,920.20x = 542,987,402.94 × 266,141,515.72
  4. Step 4: Simplify right side
    362,349,920.20x = 144,511,490,435,317,984
  5. Step 5: Solve for x
    x = 144,511,490,435,317,984/362,349,920.20
  6. Step 6: Final answer
    x = 398,817,503.13

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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.