Home / 538,445,110.08-743,106,711.60-318,499,394.88

Finding the Fourth Proportional to 538,445,110.08, 743,106,711.60 and 318,499,394.88

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Solution

The fourth proportional to 538,445,110.08, 743,106,711.60 and 318,499,394.88 is: 439,560,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,445,110.08 : 743,106,711.60 = 318,499,394.88 : x
  2. Step 2: Convert to fraction form
    538,445,110.08/743,106,711.60 = 318,499,394.88/x
  3. Step 3: Cross multiply
    538,445,110.08x = 743,106,711.60 × 318,499,394.88
  4. Step 4: Simplify right side
    538,445,110.08x = 236,679,037,975,866,688
  5. Step 5: Solve for x
    x = 236,679,037,975,866,688/538,445,110.08
  6. Step 6: Final answer
    x = 439,560,195.73

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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.