Home / 773,463,700.82-1,067,380,022.28-421,042,366.97

Finding the Fourth Proportional to 773,463,700.82, 1,067,380,022.28 and 421,042,366.97

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Solution

The fourth proportional to 773,463,700.82, 1,067,380,022.28 and 421,042,366.97 is: 581,038,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,463,700.82 : 1,067,380,022.28 = 421,042,366.97 : x
  2. Step 2: Convert to fraction form
    773,463,700.82/1,067,380,022.28 = 421,042,366.97/x
  3. Step 3: Cross multiply
    773,463,700.82x = 1,067,380,022.28 × 421,042,366.97
  4. Step 4: Simplify right side
    773,463,700.82x = 449,412,211,037,262,528
  5. Step 5: Solve for x
    x = 449,412,211,037,262,528/773,463,700.82
  6. Step 6: Final answer
    x = 581,038,529.10

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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.