Home / 788,101,607.20-1,182,152,410.80-498,253,685.80

Finding the Fourth Proportional to 788,101,607.20, 1,182,152,410.80 and 498,253,685.80

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Solution

The fourth proportional to 788,101,607.20, 1,182,152,410.80 and 498,253,685.80 is: 747,380,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,101,607.20 : 1,182,152,410.80 = 498,253,685.80 : x
  2. Step 2: Convert to fraction form
    788,101,607.20/1,182,152,410.80 = 498,253,685.80/x
  3. Step 3: Cross multiply
    788,101,607.20x = 1,182,152,410.80 × 498,253,685.80
  4. Step 4: Simplify right side
    788,101,607.20x = 589,011,795,858,455,680
  5. Step 5: Solve for x
    x = 589,011,795,858,455,680/788,101,607.20
  6. Step 6: Final answer
    x = 747,380,528.70

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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.