Home / 5,174,689,946.88-7,141,072,126.68-2,947,229,397.12

Finding the Fourth Proportional to 5,174,689,946.88, 7,141,072,126.68 and 2,947,229,397.12

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Solution

The fourth proportional to 5,174,689,946.88, 7,141,072,126.68 and 2,947,229,397.12 is: 4,067,176,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,689,946.88 : 7,141,072,126.68 = 2,947,229,397.12 : x
  2. Step 2: Convert to fraction form
    5,174,689,946.88/7,141,072,126.68 = 2,947,229,397.12/x
  3. Step 3: Cross multiply
    5,174,689,946.88x = 7,141,072,126.68 × 2,947,229,397.12
  4. Step 4: Simplify right side
    5,174,689,946.88x = 21,046,377,698,705,530,880
  5. Step 5: Solve for x
    x = 21,046,377,698,705,530,880/5,174,689,946.88
  6. Step 6: Final answer
    x = 4,067,176,568.02

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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.