Home / 408,541,345.33-563,961,018.26-274,656,909.67

Finding the Fourth Proportional to 408,541,345.33, 563,961,018.26 and 274,656,909.67

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Solution

The fourth proportional to 408,541,345.33, 563,961,018.26 and 274,656,909.67 is: 379,143,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,541,345.33 : 563,961,018.26 = 274,656,909.67 : x
  2. Step 2: Convert to fraction form
    408,541,345.33/563,961,018.26 = 274,656,909.67/x
  3. Step 3: Cross multiply
    408,541,345.33x = 563,961,018.26 × 274,656,909.67
  4. Step 4: Simplify right side
    408,541,345.33x = 154,895,790,449,638,048
  5. Step 5: Solve for x
    x = 154,895,790,449,638,048/408,541,345.33
  6. Step 6: Final answer
    x = 379,143,487.48

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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.