Home / 990,289,608.32-1,366,570,760.28-566,889,234.80

Finding the Fourth Proportional to 990,289,608.32, 1,366,570,760.28 and 566,889,234.80

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Solution

The fourth proportional to 990,289,608.32, 1,366,570,760.28 and 566,889,234.80 is: 782,290,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,289,608.32 : 1,366,570,760.28 = 566,889,234.80 : x
  2. Step 2: Convert to fraction form
    990,289,608.32/1,366,570,760.28 = 566,889,234.80/x
  3. Step 3: Cross multiply
    990,289,608.32x = 1,366,570,760.28 × 566,889,234.80
  4. Step 4: Simplify right side
    990,289,608.32x = 774,694,252,595,183,360
  5. Step 5: Solve for x
    x = 774,694,252,595,183,360/990,289,608.32
  6. Step 6: Final answer
    x = 782,290,600.74

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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.