Home / 433,028,319.60-649,542,479.40-203,445,807.60

Finding the Fourth Proportional to 433,028,319.60, 649,542,479.40 and 203,445,807.60

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Solution

The fourth proportional to 433,028,319.60, 649,542,479.40 and 203,445,807.60 is: 305,168,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,028,319.60 : 649,542,479.40 = 203,445,807.60 : x
  2. Step 2: Convert to fraction form
    433,028,319.60/649,542,479.40 = 203,445,807.60/x
  3. Step 3: Cross multiply
    433,028,319.60x = 649,542,479.40 × 203,445,807.60
  4. Step 4: Simplify right side
    433,028,319.60x = 132,146,694,292,039,360
  5. Step 5: Solve for x
    x = 132,146,694,292,039,360/433,028,319.60
  6. Step 6: Final answer
    x = 305,168,711.40

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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.