Home / 878,874,074.28-1,317,569,685.48-723,435,553.35

Finding the Fourth Proportional to 878,874,074.28, 1,317,569,685.48 and 723,435,553.35

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Solution

The fourth proportional to 878,874,074.28, 1,317,569,685.48 and 723,435,553.35 is: 1,084,543,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,874,074.28 : 1,317,569,685.48 = 723,435,553.35 : x
  2. Step 2: Convert to fraction form
    878,874,074.28/1,317,569,685.48 = 723,435,553.35/x
  3. Step 3: Cross multiply
    878,874,074.28x = 1,317,569,685.48 × 723,435,553.35
  4. Step 4: Simplify right side
    878,874,074.28x = 953,176,754,492,409,344
  5. Step 5: Solve for x
    x = 953,176,754,492,409,344/878,874,074.28
  6. Step 6: Final answer
    x = 1,084,543,033.40

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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.