Home / 328,802,340.87-453,636,689.90-189,570,067.11

Finding the Fourth Proportional to 328,802,340.87, 453,636,689.90 and 189,570,067.11

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Solution

The fourth proportional to 328,802,340.87, 453,636,689.90 and 189,570,067.11 is: 261,542,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,802,340.87 : 453,636,689.90 = 189,570,067.11 : x
  2. Step 2: Convert to fraction form
    328,802,340.87/453,636,689.90 = 189,570,067.11/x
  3. Step 3: Cross multiply
    328,802,340.87x = 453,636,689.90 × 189,570,067.11
  4. Step 4: Simplify right side
    328,802,340.87x = 85,995,937,746,953,408
  5. Step 5: Solve for x
    x = 85,995,937,746,953,408/328,802,340.87
  6. Step 6: Final answer
    x = 261,542,960.79

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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.