Home / 878,874,074.53-1,317,569,685.86-723,435,553.60

Finding the Fourth Proportional to 878,874,074.53, 1,317,569,685.86 and 723,435,553.60

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Solution

The fourth proportional to 878,874,074.53, 1,317,569,685.86 and 723,435,553.60 is: 1,084,543,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,874,074.53 : 1,317,569,685.86 = 723,435,553.60 : x
  2. Step 2: Convert to fraction form
    878,874,074.53/1,317,569,685.86 = 723,435,553.60/x
  3. Step 3: Cross multiply
    878,874,074.53x = 1,317,569,685.86 × 723,435,553.60
  4. Step 4: Simplify right side
    878,874,074.53x = 953,176,755,093,090,048
  5. Step 5: Solve for x
    x = 953,176,755,093,090,048/878,874,074.53
  6. Step 6: Final answer
    x = 1,084,543,033.77

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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.