Home / 15,781,029,940.68-23,668,585,462.58-7,918,331,117.64

Finding the Fourth Proportional to 15,781,029,940.68, 23,668,585,462.58 and 7,918,331,117.64

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Solution

The fourth proportional to 15,781,029,940.68, 23,668,585,462.58 and 7,918,331,117.64 is: 11,876,011,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,029,940.68 : 23,668,585,462.58 = 7,918,331,117.64 : x
  2. Step 2: Convert to fraction form
    15,781,029,940.68/23,668,585,462.58 = 7,918,331,117.64/x
  3. Step 3: Cross multiply
    15,781,029,940.68x = 23,668,585,462.58 × 7,918,331,117.64
  4. Step 4: Simplify right side
    15,781,029,940.68x = 187,415,696,778,868,981,760
  5. Step 5: Solve for x
    x = 187,415,696,778,868,981,760/15,781,029,940.68
  6. Step 6: Final answer
    x = 11,876,011,735.82

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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.