Home / 2,931,856,121.80-4,395,233,265.90-1,766,087,144.20

Finding the Fourth Proportional to 2,931,856,121.80, 4,395,233,265.90 and 1,766,087,144.20

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Solution

The fourth proportional to 2,931,856,121.80, 4,395,233,265.90 and 1,766,087,144.20 is: 2,647,594,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,856,121.80 : 4,395,233,265.90 = 1,766,087,144.20 : x
  2. Step 2: Convert to fraction form
    2,931,856,121.80/4,395,233,265.90 = 1,766,087,144.20/x
  3. Step 3: Cross multiply
    2,931,856,121.80x = 4,395,233,265.90 × 1,766,087,144.20
  4. Step 4: Simplify right side
    2,931,856,121.80x = 7,762,364,966,666,169,344
  5. Step 5: Solve for x
    x = 7,762,364,966,666,169,344/2,931,856,121.80
  6. Step 6: Final answer
    x = 2,647,594,098.82

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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.