Home / 2,381,162,303.47-3,286,188,043.14-1,428,578,890.03

Finding the Fourth Proportional to 2,381,162,303.47, 3,286,188,043.14 and 1,428,578,890.03

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Solution

The fourth proportional to 2,381,162,303.47, 3,286,188,043.14 and 1,428,578,890.03 is: 1,971,549,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,162,303.47 : 3,286,188,043.14 = 1,428,578,890.03 : x
  2. Step 2: Convert to fraction form
    2,381,162,303.47/3,286,188,043.14 = 1,428,578,890.03/x
  3. Step 3: Cross multiply
    2,381,162,303.47x = 3,286,188,043.14 × 1,428,578,890.03
  4. Step 4: Simplify right side
    2,381,162,303.47x = 4,694,578,867,098,799,104
  5. Step 5: Solve for x
    x = 4,694,578,867,098,799,104/2,381,162,303.47
  6. Step 6: Final answer
    x = 1,971,549,297.69

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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.