Home / 614,548,171.20-921,822,256.80-543,521,081.55

Finding the Fourth Proportional to 614,548,171.20, 921,822,256.80 and 543,521,081.55

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Solution

The fourth proportional to 614,548,171.20, 921,822,256.80 and 543,521,081.55 is: 815,281,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,548,171.20 : 921,822,256.80 = 543,521,081.55 : x
  2. Step 2: Convert to fraction form
    614,548,171.20/921,822,256.80 = 543,521,081.55/x
  3. Step 3: Cross multiply
    614,548,171.20x = 921,822,256.80 × 543,521,081.55
  4. Step 4: Simplify right side
    614,548,171.20x = 501,029,830,012,797,760
  5. Step 5: Solve for x
    x = 501,029,830,012,797,760/614,548,171.20
  6. Step 6: Final answer
    x = 815,281,622.33

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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.