Home / 1,449,134,652.20-2,183,381,437.30-1,311,137,146.76

Finding the Fourth Proportional to 1,449,134,652.20, 2,183,381,437.30 and 1,311,137,146.76

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Solution

The fourth proportional to 1,449,134,652.20, 2,183,381,437.30 and 1,311,137,146.76 is: 1,975,463,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,134,652.20 : 2,183,381,437.30 = 1,311,137,146.76 : x
  2. Step 2: Convert to fraction form
    1,449,134,652.20/2,183,381,437.30 = 1,311,137,146.76/x
  3. Step 3: Cross multiply
    1,449,134,652.20x = 2,183,381,437.30 × 1,311,137,146.76
  4. Step 4: Simplify right side
    1,449,134,652.20x = 2,862,712,507,990,269,952
  5. Step 5: Solve for x
    x = 2,862,712,507,990,269,952/1,449,134,652.20
  6. Step 6: Final answer
    x = 1,975,463,428.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.