Home / 726,700,406.80-1,088,751,532.20-442,241,690.80

Finding the Fourth Proportional to 726,700,406.80, 1,088,751,532.20 and 442,241,690.80

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Solution

The fourth proportional to 726,700,406.80, 1,088,751,532.20 and 442,241,690.80 is: 662,571,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,700,406.80 : 1,088,751,532.20 = 442,241,690.80 : x
  2. Step 2: Convert to fraction form
    726,700,406.80/1,088,751,532.20 = 442,241,690.80/x
  3. Step 3: Cross multiply
    726,700,406.80x = 1,088,751,532.20 × 442,241,690.80
  4. Step 4: Simplify right side
    726,700,406.80x = 481,491,318,461,218,688
  5. Step 5: Solve for x
    x = 481,491,318,461,218,688/726,700,406.80
  6. Step 6: Final answer
    x = 662,571,967.70

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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.