Home / 358,568,943,165.22-537,947,752,002.25-128,859,484,691.02

Finding the Fourth Proportional to 358,568,943,165.22, 537,947,752,002.25 and 128,859,484,691.02

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Solution

The fourth proportional to 358,568,943,165.22, 537,947,752,002.25 and 128,859,484,691.02 is: 193,323,129,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568,943,165.22 : 537,947,752,002.25 = 128,859,484,691.02 : x
  2. Step 2: Convert to fraction form
    358,568,943,165.22/537,947,752,002.25 = 128,859,484,691.02/x
  3. Step 3: Cross multiply
    358,568,943,165.22x = 537,947,752,002.25 × 128,859,484,691.02
  4. Step 4: Simplify right side
    358,568,943,165.22x = 69,319,670,113,702,560,923,648
  5. Step 5: Solve for x
    x = 69,319,670,113,702,560,923,648/358,568,943,165.22
  6. Step 6: Final answer
    x = 193,323,129,163.93

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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.