Home / 1,989,654,682.20-2,984,454,029.70-899,136,000.60

Finding the Fourth Proportional to 1,989,654,682.20, 2,984,454,029.70 and 899,136,000.60

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Solution

The fourth proportional to 1,989,654,682.20, 2,984,454,029.70 and 899,136,000.60 is: 1,348,691,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,654,682.20 : 2,984,454,029.70 = 899,136,000.60 : x
  2. Step 2: Convert to fraction form
    1,989,654,682.20/2,984,454,029.70 = 899,136,000.60/x
  3. Step 3: Cross multiply
    1,989,654,682.20x = 2,984,454,029.70 × 899,136,000.60
  4. Step 4: Simplify right side
    1,989,654,682.20x = 2,683,430,060,239,011,328
  5. Step 5: Solve for x
    x = 2,683,430,060,239,011,328/1,989,654,682.20
  6. Step 6: Final answer
    x = 1,348,691,350.44

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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.