Home / 650,634,349.15-897,850,218.90-353,269,785.30

Finding the Fourth Proportional to 650,634,349.15, 897,850,218.90 and 353,269,785.30

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Solution

The fourth proportional to 650,634,349.15, 897,850,218.90 and 353,269,785.30 is: 487,498,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,634,349.15 : 897,850,218.90 = 353,269,785.30 : x
  2. Step 2: Convert to fraction form
    650,634,349.15/897,850,218.90 = 353,269,785.30/x
  3. Step 3: Cross multiply
    650,634,349.15x = 897,850,218.90 × 353,269,785.30
  4. Step 4: Simplify right side
    650,634,349.15x = 317,183,354,062,361,024
  5. Step 5: Solve for x
    x = 317,183,354,062,361,024/650,634,349.15
  6. Step 6: Final answer
    x = 487,498,630.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.