Home / 437,445,815.20-656,168,722.80-404,189,418.40

Finding the Fourth Proportional to 437,445,815.20, 656,168,722.80 and 404,189,418.40

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Solution

The fourth proportional to 437,445,815.20, 656,168,722.80 and 404,189,418.40 is: 606,284,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,445,815.20 : 656,168,722.80 = 404,189,418.40 : x
  2. Step 2: Convert to fraction form
    437,445,815.20/656,168,722.80 = 404,189,418.40/x
  3. Step 3: Cross multiply
    437,445,815.20x = 656,168,722.80 × 404,189,418.40
  4. Step 4: Simplify right side
    437,445,815.20x = 265,216,454,440,802,784
  5. Step 5: Solve for x
    x = 265,216,454,440,802,784/437,445,815.20
  6. Step 6: Final answer
    x = 606,284,127.60

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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.