Home / 878,359,635.52-1,317,542,532.87-223,310,732.32

Finding the Fourth Proportional to 878,359,635.52, 1,317,542,532.87 and 223,310,732.32

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Solution

The fourth proportional to 878,359,635.52, 1,317,542,532.87 and 223,310,732.32 is: 334,966,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,359,635.52 : 1,317,542,532.87 = 223,310,732.32 : x
  2. Step 2: Convert to fraction form
    878,359,635.52/1,317,542,532.87 = 223,310,732.32/x
  3. Step 3: Cross multiply
    878,359,635.52x = 1,317,542,532.87 × 223,310,732.32
  4. Step 4: Simplify right side
    878,359,635.52x = 294,221,387,877,947,328
  5. Step 5: Solve for x
    x = 294,221,387,877,947,328/878,359,635.52
  6. Step 6: Final answer
    x = 334,966,881.42

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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.