Home / 417,678,905.60-625,921,161.60-307,645,395.20

Finding the Fourth Proportional to 417,678,905.60, 625,921,161.60 and 307,645,395.20

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Solution

The fourth proportional to 417,678,905.60, 625,921,161.60 and 307,645,395.20 is: 461,028,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,678,905.60 : 625,921,161.60 = 307,645,395.20 : x
  2. Step 2: Convert to fraction form
    417,678,905.60/625,921,161.60 = 307,645,395.20/x
  3. Step 3: Cross multiply
    417,678,905.60x = 625,921,161.60 × 307,645,395.20
  4. Step 4: Simplify right side
    417,678,905.60x = 192,561,763,124,475,072
  5. Step 5: Solve for x
    x = 192,561,763,124,475,072/417,678,905.60
  6. Step 6: Final answer
    x = 461,028,221.78

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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.