Home / 878,359,634.52-1,317,542,531.37-223,310,731.32

Finding the Fourth Proportional to 878,359,634.52, 1,317,542,531.37 and 223,310,731.32

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Solution

The fourth proportional to 878,359,634.52, 1,317,542,531.37 and 223,310,731.32 is: 334,966,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,359,634.52 : 1,317,542,531.37 = 223,310,731.32 : x
  2. Step 2: Convert to fraction form
    878,359,634.52/1,317,542,531.37 = 223,310,731.32/x
  3. Step 3: Cross multiply
    878,359,634.52x = 1,317,542,531.37 × 223,310,731.32
  4. Step 4: Simplify right side
    878,359,634.52x = 294,221,386,225,438,720
  5. Step 5: Solve for x
    x = 294,221,386,225,438,720/878,359,634.52
  6. Step 6: Final answer
    x = 334,966,879.92

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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.