Home / 5,174,689,946.71-7,141,072,126.41-2,947,229,396.95

Finding the Fourth Proportional to 5,174,689,946.71, 7,141,072,126.41 and 2,947,229,396.95

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Solution

The fourth proportional to 5,174,689,946.71, 7,141,072,126.41 and 2,947,229,396.95 is: 4,067,176,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,689,946.71 : 7,141,072,126.41 = 2,947,229,396.95 : x
  2. Step 2: Convert to fraction form
    5,174,689,946.71/7,141,072,126.41 = 2,947,229,396.95/x
  3. Step 3: Cross multiply
    5,174,689,946.71x = 7,141,072,126.41 × 2,947,229,396.95
  4. Step 4: Simplify right side
    5,174,689,946.71x = 21,046,377,696,645,357,568
  5. Step 5: Solve for x
    x = 21,046,377,696,645,357,568/5,174,689,946.71
  6. Step 6: Final answer
    x = 4,067,176,567.76

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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.