Home / 672,607,130.60-1,008,910,695.90-187,932,938.60

Finding the Fourth Proportional to 672,607,130.60, 1,008,910,695.90 and 187,932,938.60

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Solution

The fourth proportional to 672,607,130.60, 1,008,910,695.90 and 187,932,938.60 is: 281,899,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,607,130.60 : 1,008,910,695.90 = 187,932,938.60 : x
  2. Step 2: Convert to fraction form
    672,607,130.60/1,008,910,695.90 = 187,932,938.60/x
  3. Step 3: Cross multiply
    672,607,130.60x = 1,008,910,695.90 × 187,932,938.60
  4. Step 4: Simplify right side
    672,607,130.60x = 189,607,551,865,457,952
  5. Step 5: Solve for x
    x = 189,607,551,865,457,952/672,607,130.60
  6. Step 6: Final answer
    x = 281,899,407.90

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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.