Home / 324,663,417.11-486,988,302.72-79,021,422.39

Finding the Fourth Proportional to 324,663,417.11, 486,988,302.72 and 79,021,422.39

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Solution

The fourth proportional to 324,663,417.11, 486,988,302.72 and 79,021,422.39 is: 118,530,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,663,417.11 : 486,988,302.72 = 79,021,422.39 : x
  2. Step 2: Convert to fraction form
    324,663,417.11/486,988,302.72 = 79,021,422.39/x
  3. Step 3: Cross multiply
    324,663,417.11x = 486,988,302.72 × 79,021,422.39
  4. Step 4: Simplify right side
    324,663,417.11x = 38,482,508,368,226,312
  5. Step 5: Solve for x
    x = 38,482,508,368,226,312/324,663,417.11
  6. Step 6: Final answer
    x = 118,530,472.92

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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.