Home / 318,915,737.60-478,373,606.40-157,672,601.60

Finding the Fourth Proportional to 318,915,737.60, 478,373,606.40 and 157,672,601.60

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Solution

The fourth proportional to 318,915,737.60, 478,373,606.40 and 157,672,601.60 is: 236,508,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,915,737.60 : 478,373,606.40 = 157,672,601.60 : x
  2. Step 2: Convert to fraction form
    318,915,737.60/478,373,606.40 = 157,672,601.60/x
  3. Step 3: Cross multiply
    318,915,737.60x = 478,373,606.40 × 157,672,601.60
  4. Step 4: Simplify right side
    318,915,737.60x = 75,426,411,057,862,400
  5. Step 5: Solve for x
    x = 75,426,411,057,862,400/318,915,737.60
  6. Step 6: Final answer
    x = 236,508,902.40

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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.