Home / 31,315,086,073.27-43,223,925,040.40-20,465,789,386.06

Finding the Fourth Proportional to 31,315,086,073.27, 43,223,925,040.40 and 20,465,789,386.06

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Solution

The fourth proportional to 31,315,086,073.27, 43,223,925,040.40 and 20,465,789,386.06 is: 28,248,740,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315,086,073.27 : 43,223,925,040.40 = 20,465,789,386.06 : x
  2. Step 2: Convert to fraction form
    31,315,086,073.27/43,223,925,040.40 = 20,465,789,386.06/x
  3. Step 3: Cross multiply
    31,315,086,073.27x = 43,223,925,040.40 × 20,465,789,386.06
  4. Step 4: Simplify right side
    31,315,086,073.27x = 884,611,746,315,439,308,800
  5. Step 5: Solve for x
    x = 884,611,746,315,439,308,800/31,315,086,073.27
  6. Step 6: Final answer
    x = 28,248,740,694.68

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Double scale
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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.