Home / 671,419,862.10-1,007,129,793.15-186,745,670.10

Finding the Fourth Proportional to 671,419,862.10, 1,007,129,793.15 and 186,745,670.10

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Solution

The fourth proportional to 671,419,862.10, 1,007,129,793.15 and 186,745,670.10 is: 280,118,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,419,862.10 : 1,007,129,793.15 = 186,745,670.10 : x
  2. Step 2: Convert to fraction form
    671,419,862.10/1,007,129,793.15 = 186,745,670.10/x
  3. Step 3: Cross multiply
    671,419,862.10x = 1,007,129,793.15 × 186,745,670.10
  4. Step 4: Simplify right side
    671,419,862.10x = 188,077,128,099,471,136
  5. Step 5: Solve for x
    x = 188,077,128,099,471,136/671,419,862.10
  6. Step 6: Final answer
    x = 280,118,505.15

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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.