Home / 10,179,319,240.80-15,268,978,861.20-2,818,329,949.80

Finding the Fourth Proportional to 10,179,319,240.80, 15,268,978,861.20 and 2,818,329,949.80

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Solution

The fourth proportional to 10,179,319,240.80, 15,268,978,861.20 and 2,818,329,949.80 is: 4,227,494,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179,319,240.80 : 15,268,978,861.20 = 2,818,329,949.80 : x
  2. Step 2: Convert to fraction form
    10,179,319,240.80/15,268,978,861.20 = 2,818,329,949.80/x
  3. Step 3: Cross multiply
    10,179,319,240.80x = 15,268,978,861.20 × 2,818,329,949.80
  4. Step 4: Simplify right side
    10,179,319,240.80x = 43,033,020,427,383,062,528
  5. Step 5: Solve for x
    x = 43,033,020,427,383,062,528/10,179,319,240.80
  6. Step 6: Final answer
    x = 4,227,494,924.70

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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.