Home / 639,614,514.64-882,668,325.96-346,259,082.96

Finding the Fourth Proportional to 639,614,514.64, 882,668,325.96 and 346,259,082.96

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Solution

The fourth proportional to 639,614,514.64, 882,668,325.96 and 346,259,082.96 is: 477,837,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,614,514.64 : 882,668,325.96 = 346,259,082.96 : x
  2. Step 2: Convert to fraction form
    639,614,514.64/882,668,325.96 = 346,259,082.96/x
  3. Step 3: Cross multiply
    639,614,514.64x = 882,668,325.96 × 346,259,082.96
  4. Step 4: Simplify right side
    639,614,514.64x = 305,631,925,104,747,968
  5. Step 5: Solve for x
    x = 305,631,925,104,747,968/639,614,514.64
  6. Step 6: Final answer
    x = 477,837,694.59

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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.