Home / 773,463,701.57-1,067,380,023.32-421,042,367.72

Finding the Fourth Proportional to 773,463,701.57, 1,067,380,023.32 and 421,042,367.72

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Solution

The fourth proportional to 773,463,701.57, 1,067,380,023.32 and 421,042,367.72 is: 581,038,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,463,701.57 : 1,067,380,023.32 = 421,042,367.72 : x
  2. Step 2: Convert to fraction form
    773,463,701.57/1,067,380,023.32 = 421,042,367.72/x
  3. Step 3: Cross multiply
    773,463,701.57x = 1,067,380,023.32 × 421,042,367.72
  4. Step 4: Simplify right side
    773,463,701.57x = 449,412,212,273,576,448
  5. Step 5: Solve for x
    x = 449,412,212,273,576,448/773,463,701.57
  6. Step 6: Final answer
    x = 581,038,530.14

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Double scale
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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.