Home / 277,948,987.20-417,188,901.60-237,605,025.60

Finding the Fourth Proportional to 277,948,987.20, 417,188,901.60 and 237,605,025.60

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Solution

The fourth proportional to 277,948,987.20, 417,188,901.60 and 237,605,025.60 is: 356,634,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,948,987.20 : 417,188,901.60 = 237,605,025.60 : x
  2. Step 2: Convert to fraction form
    277,948,987.20/417,188,901.60 = 237,605,025.60/x
  3. Step 3: Cross multiply
    277,948,987.20x = 417,188,901.60 × 237,605,025.60
  4. Step 4: Simplify right side
    277,948,987.20x = 99,126,179,644,703,888
  5. Step 5: Solve for x
    x = 99,126,179,644,703,888/277,948,987.20
  6. Step 6: Final answer
    x = 356,634,433.69

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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.