Home / 391,451,838.22-586,789,905.79-183,818,564.88

Finding the Fourth Proportional to 391,451,838.22, 586,789,905.79 and 183,818,564.88

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Solution

The fourth proportional to 391,451,838.22, 586,789,905.79 and 183,818,564.88 is: 275,545,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,451,838.22 : 586,789,905.79 = 183,818,564.88 : x
  2. Step 2: Convert to fraction form
    391,451,838.22/586,789,905.79 = 183,818,564.88/x
  3. Step 3: Cross multiply
    391,451,838.22x = 586,789,905.79 × 183,818,564.88
  4. Step 4: Simplify right side
    391,451,838.22x = 107,862,878,368,388,192
  5. Step 5: Solve for x
    x = 107,862,878,368,388,192/391,451,838.22
  6. Step 6: Final answer
    x = 275,545,719.39

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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.