Home / 18,786,809,019.84-25,925,813,042.40-10,328,776,681.92

Finding the Fourth Proportional to 18,786,809,019.84, 25,925,813,042.40 and 10,328,776,681.92

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Solution

The fourth proportional to 18,786,809,019.84, 25,925,813,042.40 and 10,328,776,681.92 is: 14,253,720,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786,809,019.84 : 25,925,813,042.40 = 10,328,776,681.92 : x
  2. Step 2: Convert to fraction form
    18,786,809,019.84/25,925,813,042.40 = 10,328,776,681.92/x
  3. Step 3: Cross multiply
    18,786,809,019.84x = 25,925,813,042.40 × 10,328,776,681.92
  4. Step 4: Simplify right side
    18,786,809,019.84x = 267,781,933,212,158,558,208
  5. Step 5: Solve for x
    x = 267,781,933,212,158,558,208/18,786,809,019.84
  6. Step 6: Final answer
    x = 14,253,720,944.81

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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.