Home / 679,892,575.70-1,019,838,863.55-271,242,002.90

Finding the Fourth Proportional to 679,892,575.70, 1,019,838,863.55 and 271,242,002.90

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Solution

The fourth proportional to 679,892,575.70, 1,019,838,863.55 and 271,242,002.90 is: 406,863,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,892,575.70 : 1,019,838,863.55 = 271,242,002.90 : x
  2. Step 2: Convert to fraction form
    679,892,575.70/1,019,838,863.55 = 271,242,002.90/x
  3. Step 3: Cross multiply
    679,892,575.70x = 1,019,838,863.55 × 271,242,002.90
  4. Step 4: Simplify right side
    679,892,575.70x = 276,623,135,984,561,760
  5. Step 5: Solve for x
    x = 276,623,135,984,561,760/679,892,575.70
  6. Step 6: Final answer
    x = 406,863,004.35

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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.