Home / 398,587,898.20-597,976,325.70-204,529,264.60

Finding the Fourth Proportional to 398,587,898.20, 597,976,325.70 and 204,529,264.60

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Solution

The fourth proportional to 398,587,898.20, 597,976,325.70 and 204,529,264.60 is: 306,842,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,587,898.20 : 597,976,325.70 = 204,529,264.60 : x
  2. Step 2: Convert to fraction form
    398,587,898.20/597,976,325.70 = 204,529,264.60/x
  3. Step 3: Cross multiply
    398,587,898.20x = 597,976,325.70 × 204,529,264.60
  4. Step 4: Simplify right side
    398,587,898.20x = 122,303,658,143,631,088
  5. Step 5: Solve for x
    x = 122,303,658,143,631,088/398,587,898.20
  6. Step 6: Final answer
    x = 306,842,377.04

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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.