Home / 673,995,999.70-1,010,993,999.55-265,065,490.90

Finding the Fourth Proportional to 673,995,999.70, 1,010,993,999.55 and 265,065,490.90

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Solution

The fourth proportional to 673,995,999.70, 1,010,993,999.55 and 265,065,490.90 is: 397,598,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,995,999.70 : 1,010,993,999.55 = 265,065,490.90 : x
  2. Step 2: Convert to fraction form
    673,995,999.70/1,010,993,999.55 = 265,065,490.90/x
  3. Step 3: Cross multiply
    673,995,999.70x = 1,010,993,999.55 × 265,065,490.90
  4. Step 4: Simplify right side
    673,995,999.70x = 267,979,620,787,675,136
  5. Step 5: Solve for x
    x = 267,979,620,787,675,136/673,995,999.70
  6. Step 6: Final answer
    x = 397,598,236.35

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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.