Home / 8,474,031,189.30-12,718,900,892.52-4,279,929,363.48

Finding the Fourth Proportional to 8,474,031,189.30, 12,718,900,892.52 and 4,279,929,363.48

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Solution

The fourth proportional to 8,474,031,189.30, 12,718,900,892.52 and 4,279,929,363.48 is: 6,423,860,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,031,189.30 : 12,718,900,892.52 = 4,279,929,363.48 : x
  2. Step 2: Convert to fraction form
    8,474,031,189.30/12,718,900,892.52 = 4,279,929,363.48/x
  3. Step 3: Cross multiply
    8,474,031,189.30x = 12,718,900,892.52 × 4,279,929,363.48
  4. Step 4: Simplify right side
    8,474,031,189.30x = 54,435,997,401,088,327,680
  5. Step 5: Solve for x
    x = 54,435,997,401,088,327,680/8,474,031,189.30
  6. Step 6: Final answer
    x = 6,423,860,873.89

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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.