Home / 1,248,715,659.52-1,873,188,627.90-408,362,762.26

Finding the Fourth Proportional to 1,248,715,659.52, 1,873,188,627.90 and 408,362,762.26

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Solution

The fourth proportional to 1,248,715,659.52, 1,873,188,627.90 and 408,362,762.26 is: 612,581,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,715,659.52 : 1,873,188,627.90 = 408,362,762.26 : x
  2. Step 2: Convert to fraction form
    1,248,715,659.52/1,873,188,627.90 = 408,362,762.26/x
  3. Step 3: Cross multiply
    1,248,715,659.52x = 1,873,188,627.90 × 408,362,762.26
  4. Step 4: Simplify right side
    1,248,715,659.52x = 764,940,482,323,263,360
  5. Step 5: Solve for x
    x = 764,940,482,323,263,360/1,248,715,659.52
  6. Step 6: Final answer
    x = 612,581,796.74

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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.