Home / 2,391,489,085.20-3,587,233,627.80-838,219,902.45

Finding the Fourth Proportional to 2,391,489,085.20, 3,587,233,627.80 and 838,219,902.45

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Solution

The fourth proportional to 2,391,489,085.20, 3,587,233,627.80 and 838,219,902.45 is: 1,257,329,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,489,085.20 : 3,587,233,627.80 = 838,219,902.45 : x
  2. Step 2: Convert to fraction form
    2,391,489,085.20/3,587,233,627.80 = 838,219,902.45/x
  3. Step 3: Cross multiply
    2,391,489,085.20x = 3,587,233,627.80 × 838,219,902.45
  4. Step 4: Simplify right side
    2,391,489,085.20x = 3,006,890,621,559,876,096
  5. Step 5: Solve for x
    x = 3,006,890,621,559,876,096/2,391,489,085.20
  6. Step 6: Final answer
    x = 1,257,329,853.68

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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.