Home / 1,219,110,496.56-1,682,512,050.48-683,406,849.72

Finding the Fourth Proportional to 1,219,110,496.56, 1,682,512,050.48 and 683,406,849.72

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Solution

The fourth proportional to 1,219,110,496.56, 1,682,512,050.48 and 683,406,849.72 is: 943,179,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,110,496.56 : 1,682,512,050.48 = 683,406,849.72 : x
  2. Step 2: Convert to fraction form
    1,219,110,496.56/1,682,512,050.48 = 683,406,849.72/x
  3. Step 3: Cross multiply
    1,219,110,496.56x = 1,682,512,050.48 × 683,406,849.72
  4. Step 4: Simplify right side
    1,219,110,496.56x = 1,149,840,260,034,474,496
  5. Step 5: Solve for x
    x = 1,149,840,260,034,474,496/1,219,110,496.56
  6. Step 6: Final answer
    x = 943,179,689.85

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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.