Home / 31,472,969,079.06-47,196,015,017.49-18,217,377,015.12

Finding the Fourth Proportional to 31,472,969,079.06, 47,196,015,017.49 and 18,217,377,015.12

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Solution

The fourth proportional to 31,472,969,079.06, 47,196,015,017.49 and 18,217,377,015.12 is: 27,318,286,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472,969,079.06 : 47,196,015,017.49 = 18,217,377,015.12 : x
  2. Step 2: Convert to fraction form
    31,472,969,079.06/47,196,015,017.49 = 18,217,377,015.12/x
  3. Step 3: Cross multiply
    31,472,969,079.06x = 47,196,015,017.49 × 18,217,377,015.12
  4. Step 4: Simplify right side
    31,472,969,079.06x = 859,787,599,184,880,599,040
  5. Step 5: Solve for x
    x = 859,787,599,184,880,599,040/31,472,969,079.06
  6. Step 6: Final answer
    x = 27,318,286,909.16

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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.