Home / 625,803,321.60-939,040,905.60-262,334,419.20

Finding the Fourth Proportional to 625,803,321.60, 939,040,905.60 and 262,334,419.20

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Solution

The fourth proportional to 625,803,321.60, 939,040,905.60 and 262,334,419.20 is: 393,642,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,803,321.60 : 939,040,905.60 = 262,334,419.20 : x
  2. Step 2: Convert to fraction form
    625,803,321.60/939,040,905.60 = 262,334,419.20/x
  3. Step 3: Cross multiply
    625,803,321.60x = 939,040,905.60 × 262,334,419.20
  4. Step 4: Simplify right side
    625,803,321.60x = 246,342,750,575,618,016
  5. Step 5: Solve for x
    x = 246,342,750,575,618,016/625,803,321.60
  6. Step 6: Final answer
    x = 393,642,446.55

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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.