Home / 475,216,743.76-712,825,684.26-130,173,345.52

Finding the Fourth Proportional to 475,216,743.76, 712,825,684.26 and 130,173,345.52

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Solution

The fourth proportional to 475,216,743.76, 712,825,684.26 and 130,173,345.52 is: 195,260,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,216,743.76 : 712,825,684.26 = 130,173,345.52 : x
  2. Step 2: Convert to fraction form
    475,216,743.76/712,825,684.26 = 130,173,345.52/x
  3. Step 3: Cross multiply
    475,216,743.76x = 712,825,684.26 × 130,173,345.52
  4. Step 4: Simplify right side
    475,216,743.76x = 92,790,904,092,707,408
  5. Step 5: Solve for x
    x = 92,790,904,092,707,408/475,216,743.76
  6. Step 6: Final answer
    x = 195,260,174.04

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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.