Home / 681,984,043.20-1,022,976,064.80-409,662,302.40

Finding the Fourth Proportional to 681,984,043.20, 1,022,976,064.80 and 409,662,302.40

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Solution

The fourth proportional to 681,984,043.20, 1,022,976,064.80 and 409,662,302.40 is: 614,493,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,984,043.20 : 1,022,976,064.80 = 409,662,302.40 : x
  2. Step 2: Convert to fraction form
    681,984,043.20/1,022,976,064.80 = 409,662,302.40/x
  3. Step 3: Cross multiply
    681,984,043.20x = 1,022,976,064.80 × 409,662,302.40
  4. Step 4: Simplify right side
    681,984,043.20x = 419,074,730,006,059,520
  5. Step 5: Solve for x
    x = 419,074,730,006,059,520/681,984,043.20
  6. Step 6: Final answer
    x = 614,493,453.60

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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.