Home / 86,335,339,378.42-119,134,772,836.38-47,753,428,869.65

Finding the Fourth Proportional to 86,335,339,378.42, 119,134,772,836.38 and 47,753,428,869.65

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Solution

The fourth proportional to 86,335,339,378.42, 119,134,772,836.38 and 47,753,428,869.65 is: 65,895,309,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,335,339,378.42 : 119,134,772,836.38 = 47,753,428,869.65 : x
  2. Step 2: Convert to fraction form
    86,335,339,378.42/119,134,772,836.38 = 47,753,428,869.65/x
  3. Step 3: Cross multiply
    86,335,339,378.42x = 119,134,772,836.38 × 47,753,428,869.65
  4. Step 4: Simplify right side
    86,335,339,378.42x = 5,689,093,900,543,983,616,000
  5. Step 5: Solve for x
    x = 5,689,093,900,543,983,616,000/86,335,339,378.42
  6. Step 6: Final answer
    x = 65,895,309,400.57

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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.