Home / 20,911,700,859.66-31,376,814,306.69-10,960,779,691.92

Finding the Fourth Proportional to 20,911,700,859.66, 31,376,814,306.69 and 10,960,779,691.92

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Solution

The fourth proportional to 20,911,700,859.66, 31,376,814,306.69 and 10,960,779,691.92 is: 16,446,024,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,700,859.66 : 31,376,814,306.69 = 10,960,779,691.92 : x
  2. Step 2: Convert to fraction form
    20,911,700,859.66/31,376,814,306.69 = 10,960,779,691.92/x
  3. Step 3: Cross multiply
    20,911,700,859.66x = 31,376,814,306.69 × 10,960,779,691.92
  4. Step 4: Simplify right side
    20,911,700,859.66x = 343,914,349,049,912,623,104
  5. Step 5: Solve for x
    x = 343,914,349,049,912,623,104/20,911,700,859.66
  6. Step 6: Final answer
    x = 16,446,024,709.23

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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.