Home / 31,230,545,631.47-43,098,152,971.43-17,864,538,760.97

Finding the Fourth Proportional to 31,230,545,631.47, 43,098,152,971.43 and 17,864,538,760.97

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Solution

The fourth proportional to 31,230,545,631.47, 43,098,152,971.43 and 17,864,538,760.97 is: 24,653,063,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230,545,631.47 : 43,098,152,971.43 = 17,864,538,760.97 : x
  2. Step 2: Convert to fraction form
    31,230,545,631.47/43,098,152,971.43 = 17,864,538,760.97/x
  3. Step 3: Cross multiply
    31,230,545,631.47x = 43,098,152,971.43 × 17,864,538,760.97
  4. Step 4: Simplify right side
    31,230,545,631.47x = 769,928,624,284,310,831,104
  5. Step 5: Solve for x
    x = 769,928,624,284,310,831,104/31,230,545,631.47
  6. Step 6: Final answer
    x = 24,653,063,490.14

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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.