Home / 676,599,195,471.15-1,015,345,912,247.90-318,553,563,185

Finding the Fourth Proportional to 676,599,195,471.15, 1,015,345,912,247.90 and 318,553,563,185

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Solution

The fourth proportional to 676,599,195,471.15, 1,015,345,912,247.90 and 318,553,563,185 is: 478,040,855,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,599,195,471.15 : 1,015,345,912,247.90 = 318,553,563,185 : x
  2. Step 2: Convert to fraction form
    676,599,195,471.15/1,015,345,912,247.90 = 318,553,563,185/x
  3. Step 3: Cross multiply
    676,599,195,471.15x = 1,015,345,912,247.90 × 318,553,563,185
  4. Step 4: Simplify right side
    676,599,195,471.15x = 323,442,058,211,892,890,959,872
  5. Step 5: Solve for x
    x = 323,442,058,211,892,890,959,872/676,599,195,471.15
  6. Step 6: Final answer
    x = 478,040,855,467.86

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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.