Home / 20,710,881,588.61-31,062,921,160.38-8,916,824,839.33

Finding the Fourth Proportional to 20,710,881,588.61, 31,062,921,160.38 and 8,916,824,839.33

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Solution

The fourth proportional to 20,710,881,588.61, 31,062,921,160.38 and 8,916,824,839.33 is: 13,373,772,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,881,588.61 : 31,062,921,160.38 = 8,916,824,839.33 : x
  2. Step 2: Convert to fraction form
    20,710,881,588.61/31,062,921,160.38 = 8,916,824,839.33/x
  3. Step 3: Cross multiply
    20,710,881,588.61x = 31,062,921,160.38 × 8,916,824,839.33
  4. Step 4: Simplify right side
    20,710,881,588.61x = 276,982,626,985,025,863,680
  5. Step 5: Solve for x
    x = 276,982,626,985,025,863,680/20,710,881,588.61
  6. Step 6: Final answer
    x = 13,373,772,902.91

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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.