Home / 377,421,315.28-521,002,119.88-253,733,730

Finding the Fourth Proportional to 377,421,315.28, 521,002,119.88 and 253,733,730

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Solution

The fourth proportional to 377,421,315.28, 521,002,119.88 and 253,733,730 is: 350,260,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,421,315.28 : 521,002,119.88 = 253,733,730 : x
  2. Step 2: Convert to fraction form
    377,421,315.28/521,002,119.88 = 253,733,730/x
  3. Step 3: Cross multiply
    377,421,315.28x = 521,002,119.88 × 253,733,730
  4. Step 4: Simplify right side
    377,421,315.28x = 132,195,811,215,059,552
  5. Step 5: Solve for x
    x = 132,195,811,215,059,552/377,421,315.28
  6. Step 6: Final answer
    x = 350,260,586.41

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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.