Home / 28,006,113,874.04-38,648,553,589.09-15,145,753,832.88

Finding the Fourth Proportional to 28,006,113,874.04, 38,648,553,589.09 and 15,145,753,832.88

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Solution

The fourth proportional to 28,006,113,874.04, 38,648,553,589.09 and 15,145,753,832.88 is: 20,901,203,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,113,874.04 : 38,648,553,589.09 = 15,145,753,832.88 : x
  2. Step 2: Convert to fraction form
    28,006,113,874.04/38,648,553,589.09 = 15,145,753,832.88/x
  3. Step 3: Cross multiply
    28,006,113,874.04x = 38,648,553,589.09 × 15,145,753,832.88
  4. Step 4: Simplify right side
    28,006,113,874.04x = 585,361,478,657,227,882,496
  5. Step 5: Solve for x
    x = 585,361,478,657,227,882,496/28,006,113,874.04
  6. Step 6: Final answer
    x = 20,901,203,261.90

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1.5x scale

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.