Home / 650,634,348.15-897,850,217.52-353,269,784.30

Finding the Fourth Proportional to 650,634,348.15, 897,850,217.52 and 353,269,784.30

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Solution

The fourth proportional to 650,634,348.15, 897,850,217.52 and 353,269,784.30 is: 487,498,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,634,348.15 : 897,850,217.52 = 353,269,784.30 : x
  2. Step 2: Convert to fraction form
    650,634,348.15/897,850,217.52 = 353,269,784.30/x
  3. Step 3: Cross multiply
    650,634,348.15x = 897,850,217.52 × 353,269,784.30
  4. Step 4: Simplify right side
    650,634,348.15x = 317,183,352,672,509,248
  5. Step 5: Solve for x
    x = 317,183,352,672,509,248/650,634,348.15
  6. Step 6: Final answer
    x = 487,498,628.95

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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.