Home / 845,046,593.40-1,164,816,869.27-666,138,724.55

Finding the Fourth Proportional to 845,046,593.40, 1,164,816,869.27 and 666,138,724.55

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Solution

The fourth proportional to 845,046,593.40, 1,164,816,869.27 and 666,138,724.55 is: 918,209,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,046,593.40 : 1,164,816,869.27 = 666,138,724.55 : x
  2. Step 2: Convert to fraction form
    845,046,593.40/1,164,816,869.27 = 666,138,724.55/x
  3. Step 3: Cross multiply
    845,046,593.40x = 1,164,816,869.27 × 666,138,724.55
  4. Step 4: Simplify right side
    845,046,593.40x = 775,929,623,620,687,104
  5. Step 5: Solve for x
    x = 775,929,623,620,687,104/845,046,593.40
  6. Step 6: Final answer
    x = 918,209,279.44

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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.