Home / 5,428,141,646.44-7,491,155,446.86-4,087,666,754.68

Finding the Fourth Proportional to 5,428,141,646.44, 7,491,155,446.86 and 4,087,666,754.68

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Solution

The fourth proportional to 5,428,141,646.44, 7,491,155,446.86 and 4,087,666,754.68 is: 5,641,221,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,141,646.44 : 7,491,155,446.86 = 4,087,666,754.68 : x
  2. Step 2: Convert to fraction form
    5,428,141,646.44/7,491,155,446.86 = 4,087,666,754.68/x
  3. Step 3: Cross multiply
    5,428,141,646.44x = 7,491,155,446.86 × 4,087,666,754.68
  4. Step 4: Simplify right side
    5,428,141,646.44x = 30,621,347,074,269,618,176
  5. Step 5: Solve for x
    x = 30,621,347,074,269,618,176/5,428,141,646.44
  6. Step 6: Final answer
    x = 5,641,221,078.74

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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.