Home / 493,147,454.31-680,519,303.21-270,130,125.15

Finding the Fourth Proportional to 493,147,454.31, 680,519,303.21 and 270,130,125.15

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Solution

The fourth proportional to 493,147,454.31, 680,519,303.21 and 270,130,125.15 is: 372,766,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,147,454.31 : 680,519,303.21 = 270,130,125.15 : x
  2. Step 2: Convert to fraction form
    493,147,454.31/680,519,303.21 = 270,130,125.15/x
  3. Step 3: Cross multiply
    493,147,454.31x = 680,519,303.21 × 270,130,125.15
  4. Step 4: Simplify right side
    493,147,454.31x = 183,828,764,543,783,392
  5. Step 5: Solve for x
    x = 183,828,764,543,783,392/493,147,454.31
  6. Step 6: Final answer
    x = 372,766,325.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.