Home / 265,734,220.20-398,601,330.30-74,257,996.20

Finding the Fourth Proportional to 265,734,220.20, 398,601,330.30 and 74,257,996.20

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Solution

The fourth proportional to 265,734,220.20, 398,601,330.30 and 74,257,996.20 is: 111,386,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734,220.20 : 398,601,330.30 = 74,257,996.20 : x
  2. Step 2: Convert to fraction form
    265,734,220.20/398,601,330.30 = 74,257,996.20/x
  3. Step 3: Cross multiply
    265,734,220.20x = 398,601,330.30 × 74,257,996.20
  4. Step 4: Simplify right side
    265,734,220.20x = 29,599,336,070,732,348
  5. Step 5: Solve for x
    x = 29,599,336,070,732,348/265,734,220.20
  6. Step 6: Final answer
    x = 111,386,994.30

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Double scale
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Similar ratio
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1.5x scale

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.