Home / 523,969,399.80-786,024,083.70-178,836,305.40

Finding the Fourth Proportional to 523,969,399.80, 786,024,083.70 and 178,836,305.40

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Solution

The fourth proportional to 523,969,399.80, 786,024,083.70 and 178,836,305.40 is: 268,278,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,969,399.80 : 786,024,083.70 = 178,836,305.40 : x
  2. Step 2: Convert to fraction form
    523,969,399.80/786,024,083.70 = 178,836,305.40/x
  3. Step 3: Cross multiply
    523,969,399.80x = 786,024,083.70 × 178,836,305.40
  4. Step 4: Simplify right side
    523,969,399.80x = 140,569,643,084,328,368
  5. Step 5: Solve for x
    x = 140,569,643,084,328,368/523,969,399.80
  6. Step 6: Final answer
    x = 268,278,344.38

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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.