Home / 21,238,869,479.50-29,309,642,751.50-11,723,423,024.61

Finding the Fourth Proportional to 21,238,869,479.50, 29,309,642,751.50 and 11,723,423,024.61

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Solution

The fourth proportional to 21,238,869,479.50, 29,309,642,751.50 and 11,723,423,024.61 is: 16,178,325,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,238,869,479.50 : 29,309,642,751.50 = 11,723,423,024.61 : x
  2. Step 2: Convert to fraction form
    21,238,869,479.50/29,309,642,751.50 = 11,723,423,024.61/x
  3. Step 3: Cross multiply
    21,238,869,479.50x = 29,309,642,751.50 × 11,723,423,024.61
  4. Step 4: Simplify right side
    21,238,869,479.50x = 343,609,340,676,157,669,376
  5. Step 5: Solve for x
    x = 343,609,340,676,157,669,376/21,238,869,479.50
  6. Step 6: Final answer
    x = 16,178,325,358.03

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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.