Home / 431,530,092,003.60-647,295,138,005.40-410,959,498,928.40

Finding the Fourth Proportional to 431,530,092,003.60, 647,295,138,005.40 and 410,959,498,928.40

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Solution

The fourth proportional to 431,530,092,003.60, 647,295,138,005.40 and 410,959,498,928.40 is: 616,439,248,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,530,092,003.60 : 647,295,138,005.40 = 410,959,498,928.40 : x
  2. Step 2: Convert to fraction form
    431,530,092,003.60/647,295,138,005.40 = 410,959,498,928.40/x
  3. Step 3: Cross multiply
    431,530,092,003.60x = 647,295,138,005.40 × 410,959,498,928.40
  4. Step 4: Simplify right side
    431,530,092,003.60x = 266,012,085,573,488,748,789,760
  5. Step 5: Solve for x
    x = 266,012,085,573,488,748,789,760/431,530,092,003.60
  6. Step 6: Final answer
    x = 616,439,248,392.60

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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.