Home / 268,256,463.20-402,384,694.80-186,627,125.60

Finding the Fourth Proportional to 268,256,463.20, 402,384,694.80 and 186,627,125.60

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Solution

The fourth proportional to 268,256,463.20, 402,384,694.80 and 186,627,125.60 is: 279,940,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,256,463.20 : 402,384,694.80 = 186,627,125.60 : x
  2. Step 2: Convert to fraction form
    268,256,463.20/402,384,694.80 = 186,627,125.60/x
  3. Step 3: Cross multiply
    268,256,463.20x = 402,384,694.80 × 186,627,125.60
  4. Step 4: Simplify right side
    268,256,463.20x = 75,095,898,975,957,264
  5. Step 5: Solve for x
    x = 75,095,898,975,957,264/268,256,463.20
  6. Step 6: Final answer
    x = 279,940,688.40

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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.