Home / 391,248,000.80-586,872,001.20-238,192,992.80

Finding the Fourth Proportional to 391,248,000.80, 586,872,001.20 and 238,192,992.80

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Solution

The fourth proportional to 391,248,000.80, 586,872,001.20 and 238,192,992.80 is: 357,289,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,248,000.80 : 586,872,001.20 = 238,192,992.80 : x
  2. Step 2: Convert to fraction form
    391,248,000.80/586,872,001.20 = 238,192,992.80/x
  3. Step 3: Cross multiply
    391,248,000.80x = 586,872,001.20 × 238,192,992.80
  4. Step 4: Simplify right side
    391,248,000.80x = 139,788,798,356,353,216
  5. Step 5: Solve for x
    x = 139,788,798,356,353,216/391,248,000.80
  6. Step 6: Final answer
    x = 357,289,489.20

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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.