Home / 987,449,906.80-1,481,174,860.20-897,051,792.70

Finding the Fourth Proportional to 987,449,906.80, 1,481,174,860.20 and 897,051,792.70

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Solution

The fourth proportional to 987,449,906.80, 1,481,174,860.20 and 897,051,792.70 is: 1,345,577,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,449,906.80 : 1,481,174,860.20 = 897,051,792.70 : x
  2. Step 2: Convert to fraction form
    987,449,906.80/1,481,174,860.20 = 897,051,792.70/x
  3. Step 3: Cross multiply
    987,449,906.80x = 1,481,174,860.20 × 897,051,792.70
  4. Step 4: Simplify right side
    987,449,906.80x = 1,328,690,563,644,581,888
  5. Step 5: Solve for x
    x = 1,328,690,563,644,581,888/987,449,906.80
  6. Step 6: Final answer
    x = 1,345,577,689.05

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1.5x scale

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.