Home / 11,881,338,989.90-16,396,378,315.74-6,528,900,734.06

Finding the Fourth Proportional to 11,881,338,989.90, 16,396,378,315.74 and 6,528,900,734.06

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Solution

The fourth proportional to 11,881,338,989.90, 16,396,378,315.74 and 6,528,900,734.06 is: 9,009,954,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,338,989.90 : 16,396,378,315.74 = 6,528,900,734.06 : x
  2. Step 2: Convert to fraction form
    11,881,338,989.90/16,396,378,315.74 = 6,528,900,734.06/x
  3. Step 3: Cross multiply
    11,881,338,989.90x = 16,396,378,315.74 × 6,528,900,734.06
  4. Step 4: Simplify right side
    11,881,338,989.90x = 107,050,326,421,560,360,960
  5. Step 5: Solve for x
    x = 107,050,326,421,560,360,960/11,881,338,989.90
  6. Step 6: Final answer
    x = 9,009,954,729.22

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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.