Home / 467,836,121.34-645,588,270-256,101,991.83

Finding the Fourth Proportional to 467,836,121.34, 645,588,270 and 256,101,991.83

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Solution

The fourth proportional to 467,836,121.34, 645,588,270 and 256,101,991.83 is: 353,406,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,836,121.34 : 645,588,270 = 256,101,991.83 : x
  2. Step 2: Convert to fraction form
    467,836,121.34/645,588,270 = 256,101,991.83/x
  3. Step 3: Cross multiply
    467,836,121.34x = 645,588,270 × 256,101,991.83
  4. Step 4: Simplify right side
    467,836,121.34x = 165,336,441,849,083,840
  5. Step 5: Solve for x
    x = 165,336,441,849,083,840/467,836,121.34
  6. Step 6: Final answer
    x = 353,406,747.17

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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.