Home / 20,710,881,588.93-31,062,921,160.97-8,916,824,839.65

Finding the Fourth Proportional to 20,710,881,588.93, 31,062,921,160.97 and 8,916,824,839.65

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Solution

The fourth proportional to 20,710,881,588.93, 31,062,921,160.97 and 8,916,824,839.65 is: 13,373,772,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,881,588.93 : 31,062,921,160.97 = 8,916,824,839.65 : x
  2. Step 2: Convert to fraction form
    20,710,881,588.93/31,062,921,160.97 = 8,916,824,839.65/x
  3. Step 3: Cross multiply
    20,710,881,588.93x = 31,062,921,160.97 × 8,916,824,839.65
  4. Step 4: Simplify right side
    20,710,881,588.93x = 276,982,627,000,126,701,568
  5. Step 5: Solve for x
    x = 276,982,627,000,126,701,568/20,710,881,588.93
  6. Step 6: Final answer
    x = 13,373,772,903.43

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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.