Home / 884,976,006.40-1,327,464,009.60-612,654,265.60

Finding the Fourth Proportional to 884,976,006.40, 1,327,464,009.60 and 612,654,265.60

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Solution

The fourth proportional to 884,976,006.40, 1,327,464,009.60 and 612,654,265.60 is: 918,981,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,976,006.40 : 1,327,464,009.60 = 612,654,265.60 : x
  2. Step 2: Convert to fraction form
    884,976,006.40/1,327,464,009.60 = 612,654,265.60/x
  3. Step 3: Cross multiply
    884,976,006.40x = 1,327,464,009.60 × 612,654,265.60
  4. Step 4: Simplify right side
    884,976,006.40x = 813,276,487,911,919,360
  5. Step 5: Solve for x
    x = 813,276,487,911,919,360/884,976,006.40
  6. Step 6: Final answer
    x = 918,981,398.40

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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.