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Finding the Fourth Proportional to 883,063,922.01, 1,218,573,304.17 and 486,564,723.07

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Solution

The fourth proportional to 883,063,922.01, 1,218,573,304.17 and 486,564,723.07 is: 671,429,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,063,922.01 : 1,218,573,304.17 = 486,564,723.07 : x
  2. Step 2: Convert to fraction form
    883,063,922.01/1,218,573,304.17 = 486,564,723.07/x
  3. Step 3: Cross multiply
    883,063,922.01x = 1,218,573,304.17 × 486,564,723.07
  4. Step 4: Simplify right side
    883,063,922.01x = 592,914,782,283,970,944
  5. Step 5: Solve for x
    x = 592,914,782,283,970,944/883,063,922.01
  6. Step 6: Final answer
    x = 671,429,063.63

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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.