Home / 2,691,232,405.10-4,037,604,434.85-1,311,091,937.90

Finding the Fourth Proportional to 2,691,232,405.10, 4,037,604,434.85 and 1,311,091,937.90

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Solution

The fourth proportional to 2,691,232,405.10, 4,037,604,434.85 and 1,311,091,937.90 is: 1,967,006,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,232,405.10 : 4,037,604,434.85 = 1,311,091,937.90 : x
  2. Step 2: Convert to fraction form
    2,691,232,405.10/4,037,604,434.85 = 1,311,091,937.90/x
  3. Step 3: Cross multiply
    2,691,232,405.10x = 4,037,604,434.85 × 1,311,091,937.90
  4. Step 4: Simplify right side
    2,691,232,405.10x = 5,293,670,622,961,121,280
  5. Step 5: Solve for x
    x = 5,293,670,622,961,121,280/2,691,232,405.10
  6. Step 6: Final answer
    x = 1,967,006,124.38

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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.