Home / 18,858,528,049.05-28,287,792,073.58-7,813,373,233.05

Finding the Fourth Proportional to 18,858,528,049.05, 28,287,792,073.58 and 7,813,373,233.05

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Solution

The fourth proportional to 18,858,528,049.05, 28,287,792,073.58 and 7,813,373,233.05 is: 11,720,059,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858,528,049.05 : 28,287,792,073.58 = 7,813,373,233.05 : x
  2. Step 2: Convert to fraction form
    18,858,528,049.05/28,287,792,073.58 = 7,813,373,233.05/x
  3. Step 3: Cross multiply
    18,858,528,049.05x = 28,287,792,073.58 × 7,813,373,233.05
  4. Step 4: Simplify right side
    18,858,528,049.05x = 221,023,077,409,754,873,856
  5. Step 5: Solve for x
    x = 221,023,077,409,754,873,856/18,858,528,049.05
  6. Step 6: Final answer
    x = 11,720,059,849.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.