Home / 20,710,881,541.22-31,062,921,089.43-8,916,824,791.94

Finding the Fourth Proportional to 20,710,881,541.22, 31,062,921,089.43 and 8,916,824,791.94

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Solution

The fourth proportional to 20,710,881,541.22, 31,062,921,089.43 and 8,916,824,791.94 is: 13,373,772,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,881,541.22 : 31,062,921,089.43 = 8,916,824,791.94 : x
  2. Step 2: Convert to fraction form
    20,710,881,541.22/31,062,921,089.43 = 8,916,824,791.94/x
  3. Step 3: Cross multiply
    20,710,881,541.22x = 31,062,921,089.43 × 8,916,824,791.94
  4. Step 4: Simplify right side
    20,710,881,541.22x = 276,982,624,880,305,307,648
  5. Step 5: Solve for x
    x = 276,982,624,880,305,307,648/20,710,881,541.22
  6. Step 6: Final answer
    x = 13,373,772,831.88

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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.