Home / 818,400,305.60-1,129,392,874.01-442,056,891.13

Finding the Fourth Proportional to 818,400,305.60, 1,129,392,874.01 and 442,056,891.13

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Solution

The fourth proportional to 818,400,305.60, 1,129,392,874.01 and 442,056,891.13 is: 610,038,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,400,305.60 : 1,129,392,874.01 = 442,056,891.13 : x
  2. Step 2: Convert to fraction form
    818,400,305.60/1,129,392,874.01 = 442,056,891.13/x
  3. Step 3: Cross multiply
    818,400,305.60x = 1,129,392,874.01 × 442,056,891.13
  4. Step 4: Simplify right side
    818,400,305.60x = 499,255,902,747,518,080
  5. Step 5: Solve for x
    x = 499,255,902,747,518,080/818,400,305.60
  6. Step 6: Final answer
    x = 610,038,754.06

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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.