Home / 2,691,232,406.10-4,037,604,436.35-1,311,091,938.90

Finding the Fourth Proportional to 2,691,232,406.10, 4,037,604,436.35 and 1,311,091,938.90

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Solution

The fourth proportional to 2,691,232,406.10, 4,037,604,436.35 and 1,311,091,938.90 is: 1,967,006,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,232,406.10 : 4,037,604,436.35 = 1,311,091,938.90 : x
  2. Step 2: Convert to fraction form
    2,691,232,406.10/4,037,604,436.35 = 1,311,091,938.90/x
  3. Step 3: Cross multiply
    2,691,232,406.10x = 4,037,604,436.35 × 1,311,091,938.90
  4. Step 4: Simplify right side
    2,691,232,406.10x = 5,293,670,628,965,363,712
  5. Step 5: Solve for x
    x = 5,293,670,628,965,363,712/2,691,232,406.10
  6. Step 6: Final answer
    x = 1,967,006,125.88

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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.