Home / 1,488,150,117.42-2,052,601,604.70-979,350,722.88

Finding the Fourth Proportional to 1,488,150,117.42, 2,052,601,604.70 and 979,350,722.88

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Solution

The fourth proportional to 1,488,150,117.42, 2,052,601,604.70 and 979,350,722.88 is: 1,350,815,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,150,117.42 : 2,052,601,604.70 = 979,350,722.88 : x
  2. Step 2: Convert to fraction form
    1,488,150,117.42/2,052,601,604.70 = 979,350,722.88/x
  3. Step 3: Cross multiply
    1,488,150,117.42x = 2,052,601,604.70 × 979,350,722.88
  4. Step 4: Simplify right side
    1,488,150,117.42x = 2,010,216,865,347,592,960
  5. Step 5: Solve for x
    x = 2,010,216,865,347,592,960/1,488,150,117.42
  6. Step 6: Final answer
    x = 1,350,815,916.90

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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.