Home / 398,606,803.20-597,910,204.80-244,753,977.60

Finding the Fourth Proportional to 398,606,803.20, 597,910,204.80 and 244,753,977.60

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Solution

The fourth proportional to 398,606,803.20, 597,910,204.80 and 244,753,977.60 is: 367,130,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,606,803.20 : 597,910,204.80 = 244,753,977.60 : x
  2. Step 2: Convert to fraction form
    398,606,803.20/597,910,204.80 = 244,753,977.60/x
  3. Step 3: Cross multiply
    398,606,803.20x = 597,910,204.80 × 244,753,977.60
  4. Step 4: Simplify right side
    398,606,803.20x = 146,340,900,872,430,592
  5. Step 5: Solve for x
    x = 146,340,900,872,430,592/398,606,803.20
  6. Step 6: Final answer
    x = 367,130,966.40

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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.