Home / 11,881,338,988.40-16,396,378,313.67-6,528,900,732.56

Finding the Fourth Proportional to 11,881,338,988.40, 16,396,378,313.67 and 6,528,900,732.56

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Solution

The fourth proportional to 11,881,338,988.40, 16,396,378,313.67 and 6,528,900,732.56 is: 9,009,954,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,338,988.40 : 16,396,378,313.67 = 6,528,900,732.56 : x
  2. Step 2: Convert to fraction form
    11,881,338,988.40/16,396,378,313.67 = 6,528,900,732.56/x
  3. Step 3: Cross multiply
    11,881,338,988.40x = 16,396,378,313.67 × 6,528,900,732.56
  4. Step 4: Simplify right side
    11,881,338,988.40x = 107,050,326,383,368,978,432
  5. Step 5: Solve for x
    x = 107,050,326,383,368,978,432/11,881,338,988.40
  6. Step 6: Final answer
    x = 9,009,954,727.15

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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.