Home / 13,428,338,592.74-18,531,164,869.65-7,324,824,161.85

Finding the Fourth Proportional to 13,428,338,592.74, 18,531,164,869.65 and 7,324,824,161.85

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Solution

The fourth proportional to 13,428,338,592.74, 18,531,164,869.65 and 7,324,824,161.85 is: 10,108,288,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,338,592.74 : 18,531,164,869.65 = 7,324,824,161.85 : x
  2. Step 2: Convert to fraction form
    13,428,338,592.74/18,531,164,869.65 = 7,324,824,161.85/x
  3. Step 3: Cross multiply
    13,428,338,592.74x = 18,531,164,869.65 × 7,324,824,161.85
  4. Step 4: Simplify right side
    13,428,338,592.74x = 135,737,524,184,384,323,584
  5. Step 5: Solve for x
    x = 135,737,524,184,384,323,584/13,428,338,592.74
  6. Step 6: Final answer
    x = 10,108,288,769.08

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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.