Home / 1,337,479,218.40-2,006,218,827.60-813,690,968.80

Finding the Fourth Proportional to 1,337,479,218.40, 2,006,218,827.60 and 813,690,968.80

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Solution

The fourth proportional to 1,337,479,218.40, 2,006,218,827.60 and 813,690,968.80 is: 1,220,536,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,479,218.40 : 2,006,218,827.60 = 813,690,968.80 : x
  2. Step 2: Convert to fraction form
    1,337,479,218.40/2,006,218,827.60 = 813,690,968.80/x
  3. Step 3: Cross multiply
    1,337,479,218.40x = 2,006,218,827.60 × 813,690,968.80
  4. Step 4: Simplify right side
    1,337,479,218.40x = 1,632,442,141,454,643,968
  5. Step 5: Solve for x
    x = 1,632,442,141,454,643,968/1,337,479,218.40
  6. Step 6: Final answer
    x = 1,220,536,453.20

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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.