Home / 19,929,527,487.56-29,894,320,002.76-8,138,645,959.70

Finding the Fourth Proportional to 19,929,527,487.56, 29,894,320,002.76 and 8,138,645,959.70

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Solution

The fourth proportional to 19,929,527,487.56, 29,894,320,002.76 and 8,138,645,959.70 is: 12,207,980,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,527,487.56 : 29,894,320,002.76 = 8,138,645,959.70 : x
  2. Step 2: Convert to fraction form
    19,929,527,487.56/29,894,320,002.76 = 8,138,645,959.70/x
  3. Step 3: Cross multiply
    19,929,527,487.56x = 29,894,320,002.76 × 8,138,645,959.70
  4. Step 4: Simplify right side
    19,929,527,487.56x = 243,299,286,708,441,546,752
  5. Step 5: Solve for x
    x = 243,299,286,708,441,546,752/19,929,527,487.56
  6. Step 6: Final answer
    x = 12,207,980,688.97

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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.