Home / 673,995,983.20-1,010,993,974.80-265,065,474.40

Finding the Fourth Proportional to 673,995,983.20, 1,010,993,974.80 and 265,065,474.40

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Solution

The fourth proportional to 673,995,983.20, 1,010,993,974.80 and 265,065,474.40 is: 397,598,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,995,983.20 : 1,010,993,974.80 = 265,065,474.40 : x
  2. Step 2: Convert to fraction form
    673,995,983.20/1,010,993,974.80 = 265,065,474.40/x
  3. Step 3: Cross multiply
    673,995,983.20x = 1,010,993,974.80 × 265,065,474.40
  4. Step 4: Simplify right side
    673,995,983.20x = 267,979,597,545,903,648
  5. Step 5: Solve for x
    x = 267,979,597,545,903,648/673,995,983.20
  6. Step 6: Final answer
    x = 397,598,211.60

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1.5x scale

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.