Home / 822,591,414.14-1,225,337,563.43-778,037,172.17

Finding the Fourth Proportional to 822,591,414.14, 1,225,337,563.43 and 778,037,172.17

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Solution

The fourth proportional to 822,591,414.14, 1,225,337,563.43 and 778,037,172.17 is: 1,158,969,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,591,414.14 : 1,225,337,563.43 = 778,037,172.17 : x
  2. Step 2: Convert to fraction form
    822,591,414.14/1,225,337,563.43 = 778,037,172.17/x
  3. Step 3: Cross multiply
    822,591,414.14x = 1,225,337,563.43 × 778,037,172.17
  4. Step 4: Simplify right side
    822,591,414.14x = 953,358,172,794,738,304
  5. Step 5: Solve for x
    x = 953,358,172,794,738,304/822,591,414.14
  6. Step 6: Final answer
    x = 1,158,969,272.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.