Home / 408,364,388.10-612,785,730.60-149,605,765.20

Finding the Fourth Proportional to 408,364,388.10, 612,785,730.60 and 149,605,765.20

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Solution

The fourth proportional to 408,364,388.10, 612,785,730.60 and 149,605,765.20 is: 224,496,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,364,388.10 : 612,785,730.60 = 149,605,765.20 : x
  2. Step 2: Convert to fraction form
    408,364,388.10/612,785,730.60 = 149,605,765.20/x
  3. Step 3: Cross multiply
    408,364,388.10x = 612,785,730.60 × 149,605,765.20
  4. Step 4: Simplify right side
    408,364,388.10x = 91,676,278,130,054,048
  5. Step 5: Solve for x
    x = 91,676,278,130,054,048/408,364,388.10
  6. Step 6: Final answer
    x = 224,496,260.70

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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.