Home / 725,309,721.08-1,000,930,804.65-412,061,123.84

Finding the Fourth Proportional to 725,309,721.08, 1,000,930,804.65 and 412,061,123.84

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Solution

The fourth proportional to 725,309,721.08, 1,000,930,804.65 and 412,061,123.84 is: 568,646,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,309,721.08 : 1,000,930,804.65 = 412,061,123.84 : x
  2. Step 2: Convert to fraction form
    725,309,721.08/1,000,930,804.65 = 412,061,123.84/x
  3. Step 3: Cross multiply
    725,309,721.08x = 1,000,930,804.65 × 412,061,123.84
  4. Step 4: Simplify right side
    725,309,721.08x = 412,444,672,250,154,432
  5. Step 5: Solve for x
    x = 412,444,672,250,154,432/725,309,721.08
  6. Step 6: Final answer
    x = 568,646,276.57

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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.