Home / 818,087,672.10-1,227,304,062.45-265,347,172.92

Finding the Fourth Proportional to 818,087,672.10, 1,227,304,062.45 and 265,347,172.92

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Solution

The fourth proportional to 818,087,672.10, 1,227,304,062.45 and 265,347,172.92 is: 398,076,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,087,672.10 : 1,227,304,062.45 = 265,347,172.92 : x
  2. Step 2: Convert to fraction form
    818,087,672.10/1,227,304,062.45 = 265,347,172.92/x
  3. Step 3: Cross multiply
    818,087,672.10x = 1,227,304,062.45 × 265,347,172.92
  4. Step 4: Simplify right side
    818,087,672.10x = 325,661,663,284,338,624
  5. Step 5: Solve for x
    x = 325,661,663,284,338,624/818,087,672.10
  6. Step 6: Final answer
    x = 398,076,727.46

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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.