Home / 354,294,346.80-531,441,520.20-266,287,717.20

Finding the Fourth Proportional to 354,294,346.80, 531,441,520.20 and 266,287,717.20

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Solution

The fourth proportional to 354,294,346.80, 531,441,520.20 and 266,287,717.20 is: 399,431,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,346.80 : 531,441,520.20 = 266,287,717.20 : x
  2. Step 2: Convert to fraction form
    354,294,346.80/531,441,520.20 = 266,287,717.20/x
  3. Step 3: Cross multiply
    354,294,346.80x = 531,441,520.20 × 266,287,717.20
  4. Step 4: Simplify right side
    354,294,346.80x = 141,516,349,239,355,680
  5. Step 5: Solve for x
    x = 141,516,349,239,355,680/354,294,346.80
  6. Step 6: Final answer
    x = 399,431,575.80

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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.