Home / 551,018,528.58-760,405,526.91-303,499,882.83

Finding the Fourth Proportional to 551,018,528.58, 760,405,526.91 and 303,499,882.83

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Solution

The fourth proportional to 551,018,528.58, 760,405,526.91 and 303,499,882.83 is: 418,829,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,018,528.58 : 760,405,526.91 = 303,499,882.83 : x
  2. Step 2: Convert to fraction form
    551,018,528.58/760,405,526.91 = 303,499,882.83/x
  3. Step 3: Cross multiply
    551,018,528.58x = 760,405,526.91 × 303,499,882.83
  4. Step 4: Simplify right side
    551,018,528.58x = 230,782,988,320,469,376
  5. Step 5: Solve for x
    x = 230,782,988,320,469,376/551,018,528.58
  6. Step 6: Final answer
    x = 418,829,814.88

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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.