Home / 467,029,332.15-644,513,930.81-258,198,926.86

Finding the Fourth Proportional to 467,029,332.15, 644,513,930.81 and 258,198,926.86

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Solution

The fourth proportional to 467,029,332.15, 644,513,930.81 and 258,198,926.86 is: 356,321,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,029,332.15 : 644,513,930.81 = 258,198,926.86 : x
  2. Step 2: Convert to fraction form
    467,029,332.15/644,513,930.81 = 258,198,926.86/x
  3. Step 3: Cross multiply
    467,029,332.15x = 644,513,930.81 × 258,198,926.86
  4. Step 4: Simplify right side
    467,029,332.15x = 166,412,805,281,462,272
  5. Step 5: Solve for x
    x = 166,412,805,281,462,272/467,029,332.15
  6. Step 6: Final answer
    x = 356,321,956.30

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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.