Home / 539,153,872.30-808,730,808.45-194,160,745.90

Finding the Fourth Proportional to 539,153,872.30, 808,730,808.45 and 194,160,745.90

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Solution

The fourth proportional to 539,153,872.30, 808,730,808.45 and 194,160,745.90 is: 291,241,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,153,872.30 : 808,730,808.45 = 194,160,745.90 : x
  2. Step 2: Convert to fraction form
    539,153,872.30/808,730,808.45 = 194,160,745.90/x
  3. Step 3: Cross multiply
    539,153,872.30x = 808,730,808.45 × 194,160,745.90
  4. Step 4: Simplify right side
    539,153,872.30x = 157,023,777,000,962,048
  5. Step 5: Solve for x
    x = 157,023,777,000,962,048/539,153,872.30
  6. Step 6: Final answer
    x = 291,241,118.85

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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.