Home / 9,398,924,763.92-12,970,760,810.28-5,169,945,608.72

Finding the Fourth Proportional to 9,398,924,763.92, 12,970,760,810.28 and 5,169,945,608.72

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Solution

The fourth proportional to 9,398,924,763.92, 12,970,760,810.28 and 5,169,945,608.72 is: 7,134,659,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,398,924,763.92 : 12,970,760,810.28 = 5,169,945,608.72 : x
  2. Step 2: Convert to fraction form
    9,398,924,763.92/12,970,760,810.28 = 5,169,945,608.72/x
  3. Step 3: Cross multiply
    9,398,924,763.92x = 12,970,760,810.28 × 5,169,945,608.72
  4. Step 4: Simplify right side
    9,398,924,763.92x = 67,058,127,892,864,565,248
  5. Step 5: Solve for x
    x = 67,058,127,892,864,565,248/9,398,924,763.92
  6. Step 6: Final answer
    x = 7,134,659,503.85

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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.