Home / 410,202,800.40-615,304,200.60-395,870,077.20

Finding the Fourth Proportional to 410,202,800.40, 615,304,200.60 and 395,870,077.20

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Solution

The fourth proportional to 410,202,800.40, 615,304,200.60 and 395,870,077.20 is: 593,805,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,202,800.40 : 615,304,200.60 = 395,870,077.20 : x
  2. Step 2: Convert to fraction form
    410,202,800.40/615,304,200.60 = 395,870,077.20/x
  3. Step 3: Cross multiply
    410,202,800.40x = 615,304,200.60 × 395,870,077.20
  4. Step 4: Simplify right side
    410,202,800.40x = 243,580,521,393,006,304
  5. Step 5: Solve for x
    x = 243,580,521,393,006,304/410,202,800.40
  6. Step 6: Final answer
    x = 593,805,115.80

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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.