Home / 2,105,177,545.20-3,154,365,095.40-1,327,431,356.40

Finding the Fourth Proportional to 2,105,177,545.20, 3,154,365,095.40 and 1,327,431,356.40

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Solution

The fourth proportional to 2,105,177,545.20, 3,154,365,095.40 and 1,327,431,356.40 is: 1,989,002,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,177,545.20 : 3,154,365,095.40 = 1,327,431,356.40 : x
  2. Step 2: Convert to fraction form
    2,105,177,545.20/3,154,365,095.40 = 1,327,431,356.40/x
  3. Step 3: Cross multiply
    2,105,177,545.20x = 3,154,365,095.40 × 1,327,431,356.40
  4. Step 4: Simplify right side
    2,105,177,545.20x = 4,187,203,137,167,638,016
  5. Step 5: Solve for x
    x = 4,187,203,137,167,638,016/2,105,177,545.20
  6. Step 6: Final answer
    x = 1,989,002,374.98

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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.