Home / 11,881,338,985.40-16,396,378,309.53-6,528,900,729.56

Finding the Fourth Proportional to 11,881,338,985.40, 16,396,378,309.53 and 6,528,900,729.56

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Solution

The fourth proportional to 11,881,338,985.40, 16,396,378,309.53 and 6,528,900,729.56 is: 9,009,954,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,338,985.40 : 16,396,378,309.53 = 6,528,900,729.56 : x
  2. Step 2: Convert to fraction form
    11,881,338,985.40/16,396,378,309.53 = 6,528,900,729.56/x
  3. Step 3: Cross multiply
    11,881,338,985.40x = 16,396,378,309.53 × 6,528,900,729.56
  4. Step 4: Simplify right side
    11,881,338,985.40x = 107,050,326,307,150,200,832
  5. Step 5: Solve for x
    x = 107,050,326,307,150,200,832/11,881,338,985.40
  6. Step 6: Final answer
    x = 9,009,954,723.01

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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.