Home / 355,290,693.20-532,936,039.80-269,197,251.20

Finding the Fourth Proportional to 355,290,693.20, 532,936,039.80 and 269,197,251.20

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Solution

The fourth proportional to 355,290,693.20, 532,936,039.80 and 269,197,251.20 is: 403,795,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,290,693.20 : 532,936,039.80 = 269,197,251.20 : x
  2. Step 2: Convert to fraction form
    355,290,693.20/532,936,039.80 = 269,197,251.20/x
  3. Step 3: Cross multiply
    355,290,693.20x = 532,936,039.80 × 269,197,251.20
  4. Step 4: Simplify right side
    355,290,693.20x = 143,464,916,979,573,792
  5. Step 5: Solve for x
    x = 143,464,916,979,573,792/355,290,693.20
  6. Step 6: Final answer
    x = 403,795,876.80

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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.