Home / 408,541,352.32-563,961,027.90-274,656,916.68

Finding the Fourth Proportional to 408,541,352.32, 563,961,027.90 and 274,656,916.68

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Solution

The fourth proportional to 408,541,352.32, 563,961,027.90 and 274,656,916.68 is: 379,143,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,541,352.32 : 563,961,027.90 = 274,656,916.68 : x
  2. Step 2: Convert to fraction form
    408,541,352.32/563,961,027.90 = 274,656,916.68/x
  3. Step 3: Cross multiply
    408,541,352.32x = 563,961,027.90 × 274,656,916.68
  4. Step 4: Simplify right side
    408,541,352.32x = 154,895,797,050,697,440
  5. Step 5: Solve for x
    x = 154,895,797,050,697,440/408,541,352.32
  6. Step 6: Final answer
    x = 379,143,497.15

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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.