Home / 20,710,881,540.72-31,062,921,088.68-8,916,824,791.44

Finding the Fourth Proportional to 20,710,881,540.72, 31,062,921,088.68 and 8,916,824,791.44

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Solution

The fourth proportional to 20,710,881,540.72, 31,062,921,088.68 and 8,916,824,791.44 is: 13,373,772,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,881,540.72 : 31,062,921,088.68 = 8,916,824,791.44 : x
  2. Step 2: Convert to fraction form
    20,710,881,540.72/31,062,921,088.68 = 8,916,824,791.44/x
  3. Step 3: Cross multiply
    20,710,881,540.72x = 31,062,921,088.68 × 8,916,824,791.44
  4. Step 4: Simplify right side
    20,710,881,540.72x = 276,982,624,857,930,891,264
  5. Step 5: Solve for x
    x = 276,982,624,857,930,891,264/20,710,881,540.72
  6. Step 6: Final answer
    x = 13,373,772,831.13

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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.