Home / 878,874,074.72-1,317,569,686.32-723,435,553.84

Finding the Fourth Proportional to 878,874,074.72, 1,317,569,686.32 and 723,435,553.84

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Solution

The fourth proportional to 878,874,074.72, 1,317,569,686.32 and 723,435,553.84 is: 1,084,543,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,874,074.72 : 1,317,569,686.32 = 723,435,553.84 : x
  2. Step 2: Convert to fraction form
    878,874,074.72/1,317,569,686.32 = 723,435,553.84/x
  3. Step 3: Cross multiply
    878,874,074.72x = 1,317,569,686.32 × 723,435,553.84
  4. Step 4: Simplify right side
    878,874,074.72x = 953,176,755,745,704,320
  5. Step 5: Solve for x
    x = 953,176,755,745,704,320/878,874,074.72
  6. Step 6: Final answer
    x = 1,084,543,034.28

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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.