Home / 402,969,476.20-603,446,444.70-322,347,908.20

Finding the Fourth Proportional to 402,969,476.20, 603,446,444.70 and 322,347,908.20

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Solution

The fourth proportional to 402,969,476.20, 603,446,444.70 and 322,347,908.20 is: 482,715,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,969,476.20 : 603,446,444.70 = 322,347,908.20 : x
  2. Step 2: Convert to fraction form
    402,969,476.20/603,446,444.70 = 322,347,908.20/x
  3. Step 3: Cross multiply
    402,969,476.20x = 603,446,444.70 × 322,347,908.20
  4. Step 4: Simplify right side
    402,969,476.20x = 194,519,699,159,772,000
  5. Step 5: Solve for x
    x = 194,519,699,159,772,000/402,969,476.20
  6. Step 6: Final answer
    x = 482,715,715.83

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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.