Home / 417,474,287.40-626,211,431.10-393,665,730.60

Finding the Fourth Proportional to 417,474,287.40, 626,211,431.10 and 393,665,730.60

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Solution

The fourth proportional to 417,474,287.40, 626,211,431.10 and 393,665,730.60 is: 590,498,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,474,287.40 : 626,211,431.10 = 393,665,730.60 : x
  2. Step 2: Convert to fraction form
    417,474,287.40/626,211,431.10 = 393,665,730.60/x
  3. Step 3: Cross multiply
    417,474,287.40x = 626,211,431.10 × 393,665,730.60
  4. Step 4: Simplify right side
    417,474,287.40x = 246,517,980,534,053,088
  5. Step 5: Solve for x
    x = 246,517,980,534,053,088/417,474,287.40
  6. Step 6: Final answer
    x = 590,498,595.90

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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.