Home / 2,105,177,565.70-3,154,365,126.15-1,327,431,376.90

Finding the Fourth Proportional to 2,105,177,565.70, 3,154,365,126.15 and 1,327,431,376.90

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Solution

The fourth proportional to 2,105,177,565.70, 3,154,365,126.15 and 1,327,431,376.90 is: 1,989,002,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,177,565.70 : 3,154,365,126.15 = 1,327,431,376.90 : x
  2. Step 2: Convert to fraction form
    2,105,177,565.70/3,154,365,126.15 = 1,327,431,376.90/x
  3. Step 3: Cross multiply
    2,105,177,565.70x = 3,154,365,126.15 × 1,327,431,376.90
  4. Step 4: Simplify right side
    2,105,177,565.70x = 4,187,203,242,650,637,312
  5. Step 5: Solve for x
    x = 4,187,203,242,650,637,312/2,105,177,565.70
  6. Step 6: Final answer
    x = 1,989,002,405.72

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