Home / 239,067,150,458.17-358,600,725,711.90-79,890,249,835.40

Finding the Fourth Proportional to 239,067,150,458.17, 358,600,725,711.90 and 79,890,249,835.40

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Solution

The fourth proportional to 239,067,150,458.17, 358,600,725,711.90 and 79,890,249,835.40 is: 119,835,374,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,067,150,458.17 : 358,600,725,711.90 = 79,890,249,835.40 : x
  2. Step 2: Convert to fraction form
    239,067,150,458.17/358,600,725,711.90 = 79,890,249,835.40/x
  3. Step 3: Cross multiply
    239,067,150,458.17x = 358,600,725,711.90 × 79,890,249,835.40
  4. Step 4: Simplify right side
    239,067,150,458.17x = 28,648,701,568,279,438,688,256
  5. Step 5: Solve for x
    x = 28,648,701,568,279,438,688,256/239,067,150,458.17
  6. Step 6: Final answer
    x = 119,835,374,761.34

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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.