Home / 703,502,890.68-1,055,263,310.10-185,928,857.40

Finding the Fourth Proportional to 703,502,890.68, 1,055,263,310.10 and 185,928,857.40

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Solution

The fourth proportional to 703,502,890.68, 1,055,263,310.10 and 185,928,857.40 is: 278,895,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,502,890.68 : 1,055,263,310.10 = 185,928,857.40 : x
  2. Step 2: Convert to fraction form
    703,502,890.68/1,055,263,310.10 = 185,928,857.40/x
  3. Step 3: Cross multiply
    703,502,890.68x = 1,055,263,310.10 × 185,928,857.40
  4. Step 4: Simplify right side
    703,502,890.68x = 196,203,901,503,034,880
  5. Step 5: Solve for x
    x = 196,203,901,503,034,880/703,502,890.68
  6. Step 6: Final answer
    x = 278,895,657.86

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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.