Home / 280,122,789.52-386,602,239.18-232,996,720.60

Finding the Fourth Proportional to 280,122,789.52, 386,602,239.18 and 232,996,720.60

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Solution

The fourth proportional to 280,122,789.52, 386,602,239.18 and 232,996,720.60 is: 321,562,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,122,789.52 : 386,602,239.18 = 232,996,720.60 : x
  2. Step 2: Convert to fraction form
    280,122,789.52/386,602,239.18 = 232,996,720.60/x
  3. Step 3: Cross multiply
    280,122,789.52x = 386,602,239.18 × 232,996,720.60
  4. Step 4: Simplify right side
    280,122,789.52x = 90,077,053,905,556,832
  5. Step 5: Solve for x
    x = 90,077,053,905,556,832/280,122,789.52
  6. Step 6: Final answer
    x = 321,562,747.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.