Home / 15,716,567,524.59-21,688,752,850.17-8,579,981,336.36

Finding the Fourth Proportional to 15,716,567,524.59, 21,688,752,850.17 and 8,579,981,336.36

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Solution

The fourth proportional to 15,716,567,524.59, 21,688,752,850.17 and 8,579,981,336.36 is: 11,840,314,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716,567,524.59 : 21,688,752,850.17 = 8,579,981,336.36 : x
  2. Step 2: Convert to fraction form
    15,716,567,524.59/21,688,752,850.17 = 8,579,981,336.36/x
  3. Step 3: Cross multiply
    15,716,567,524.59x = 21,688,752,850.17 × 8,579,981,336.36
  4. Step 4: Simplify right side
    15,716,567,524.59x = 186,089,094,663,383,318,528
  5. Step 5: Solve for x
    x = 186,089,094,663,383,318,528/15,716,567,524.59
  6. Step 6: Final answer
    x = 11,840,314,010.82

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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.