Home / 1,375,293,907.74-2,062,941,501.31-442,616,625.80

Finding the Fourth Proportional to 1,375,293,907.74, 2,062,941,501.31 and 442,616,625.80

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Solution

The fourth proportional to 1,375,293,907.74, 2,062,941,501.31 and 442,616,625.80 is: 663,925,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,293,907.74 : 2,062,941,501.31 = 442,616,625.80 : x
  2. Step 2: Convert to fraction form
    1,375,293,907.74/2,062,941,501.31 = 442,616,625.80/x
  3. Step 3: Cross multiply
    1,375,293,907.74x = 2,062,941,501.31 × 442,616,625.80
  4. Step 4: Simplify right side
    1,375,293,907.74x = 913,092,206,521,197,184
  5. Step 5: Solve for x
    x = 913,092,206,521,197,184/1,375,293,907.74
  6. Step 6: Final answer
    x = 663,925,144.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.