Home / 815,213,082,378.20-1,124,997,451,687.40-449,399,249,283.35

Finding the Fourth Proportional to 815,213,082,378.20, 1,124,997,451,687.40 and 449,399,249,283.35

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Solution

The fourth proportional to 815,213,082,378.20, 1,124,997,451,687.40 and 449,399,249,283.35 is: 620,172,837,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,213,082,378.20 : 1,124,997,451,687.40 = 449,399,249,283.35 : x
  2. Step 2: Convert to fraction form
    815,213,082,378.20/1,124,997,451,687.40 = 449,399,249,283.35/x
  3. Step 3: Cross multiply
    815,213,082,378.20x = 1,124,997,451,687.40 × 449,399,249,283.35
  4. Step 4: Simplify right side
    815,213,082,378.20x = 505,573,010,233,999,277,162,496
  5. Step 5: Solve for x
    x = 505,573,010,233,999,277,162,496/815,213,082,378.20
  6. Step 6: Final answer
    x = 620,172,837,215.89

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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.