Home / 475,421,778.22-655,983,807.67-274,475,170.48

Finding the Fourth Proportional to 475,421,778.22, 655,983,807.67 and 274,475,170.48

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Solution

The fourth proportional to 475,421,778.22, 655,983,807.67 and 274,475,170.48 is: 378,719,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,421,778.22 : 655,983,807.67 = 274,475,170.48 : x
  2. Step 2: Convert to fraction form
    475,421,778.22/655,983,807.67 = 274,475,170.48/x
  3. Step 3: Cross multiply
    475,421,778.22x = 655,983,807.67 × 274,475,170.48
  4. Step 4: Simplify right side
    475,421,778.22x = 180,051,267,442,342,784
  5. Step 5: Solve for x
    x = 180,051,267,442,342,784/475,421,778.22
  6. Step 6: Final answer
    x = 378,719,014.76

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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.