Home / 298,914,491.12-448,390,646.80-126,359,141.36

Finding the Fourth Proportional to 298,914,491.12, 448,390,646.80 and 126,359,141.36

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Solution

The fourth proportional to 298,914,491.12, 448,390,646.80 and 126,359,141.36 is: 189,546,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,914,491.12 : 448,390,646.80 = 126,359,141.36 : x
  2. Step 2: Convert to fraction form
    298,914,491.12/448,390,646.80 = 126,359,141.36/x
  3. Step 3: Cross multiply
    298,914,491.12x = 448,390,646.80 × 126,359,141.36
  4. Step 4: Simplify right side
    298,914,491.12x = 56,658,257,123,503,032
  5. Step 5: Solve for x
    x = 56,658,257,123,503,032/298,914,491.12
  6. Step 6: Final answer
    x = 189,546,705.85

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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.