Home / 555,240,749.15-766,232,306.40-307,738,082.27

Finding the Fourth Proportional to 555,240,749.15, 766,232,306.40 and 307,738,082.27

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Solution

The fourth proportional to 555,240,749.15, 766,232,306.40 and 307,738,082.27 is: 424,678,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,240,749.15 : 766,232,306.40 = 307,738,082.27 : x
  2. Step 2: Convert to fraction form
    555,240,749.15/766,232,306.40 = 307,738,082.27/x
  3. Step 3: Cross multiply
    555,240,749.15x = 766,232,306.40 × 307,738,082.27
  4. Step 4: Simplify right side
    555,240,749.15x = 235,798,860,539,485,184
  5. Step 5: Solve for x
    x = 235,798,860,539,485,184/555,240,749.15
  6. Step 6: Final answer
    x = 424,678,593.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.