Home / 13,262,396,514.17-18,310,366,942.67-8,442,481,074.35

Finding the Fourth Proportional to 13,262,396,514.17, 18,310,366,942.67 and 8,442,481,074.35

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Solution

The fourth proportional to 13,262,396,514.17, 18,310,366,942.67 and 8,442,481,074.35 is: 11,655,881,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,396,514.17 : 18,310,366,942.67 = 8,442,481,074.35 : x
  2. Step 2: Convert to fraction form
    13,262,396,514.17/18,310,366,942.67 = 8,442,481,074.35/x
  3. Step 3: Cross multiply
    13,262,396,514.17x = 18,310,366,942.67 × 8,442,481,074.35
  4. Step 4: Simplify right side
    13,262,396,514.17x = 154,584,926,377,829,138,432
  5. Step 5: Solve for x
    x = 154,584,926,377,829,138,432/13,262,396,514.17
  6. Step 6: Final answer
    x = 11,655,881,816.89

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1.5x scale

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.