Home / 1,134,945,422.82-1,702,490,057.37-479,774,343.78

Finding the Fourth Proportional to 1,134,945,422.82, 1,702,490,057.37 and 479,774,343.78

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Solution

The fourth proportional to 1,134,945,422.82, 1,702,490,057.37 and 479,774,343.78 is: 719,691,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,945,422.82 : 1,702,490,057.37 = 479,774,343.78 : x
  2. Step 2: Convert to fraction form
    1,134,945,422.82/1,702,490,057.37 = 479,774,343.78/x
  3. Step 3: Cross multiply
    1,134,945,422.82x = 1,702,490,057.37 × 479,774,343.78
  4. Step 4: Simplify right side
    1,134,945,422.82x = 816,811,050,066,666,240
  5. Step 5: Solve for x
    x = 816,811,050,066,666,240/1,134,945,422.82
  6. Step 6: Final answer
    x = 719,691,919.67

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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.