Home / 552,090,556.80-829,836,446.40-521,479,555.20

Finding the Fourth Proportional to 552,090,556.80, 829,836,446.40 and 521,479,555.20

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Solution

The fourth proportional to 552,090,556.80, 829,836,446.40 and 521,479,555.20 is: 783,825,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,090,556.80 : 829,836,446.40 = 521,479,555.20 : x
  2. Step 2: Convert to fraction form
    552,090,556.80/829,836,446.40 = 521,479,555.20/x
  3. Step 3: Cross multiply
    552,090,556.80x = 829,836,446.40 × 521,479,555.20
  4. Step 4: Simplify right side
    552,090,556.80x = 432,742,740,957,420,608
  5. Step 5: Solve for x
    x = 432,742,740,957,420,608/552,090,556.80
  6. Step 6: Final answer
    x = 783,825,652.56

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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.