Home / 1,055,649,879.80-1,584,230,646.90-442,674,020.60

Finding the Fourth Proportional to 1,055,649,879.80, 1,584,230,646.90 and 442,674,020.60

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Solution

The fourth proportional to 1,055,649,879.80, 1,584,230,646.90 and 442,674,020.60 is: 664,327,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,649,879.80 : 1,584,230,646.90 = 442,674,020.60 : x
  2. Step 2: Convert to fraction form
    1,055,649,879.80/1,584,230,646.90 = 442,674,020.60/x
  3. Step 3: Cross multiply
    1,055,649,879.80x = 1,584,230,646.90 × 442,674,020.60
  4. Step 4: Simplify right side
    1,055,649,879.80x = 701,297,750,020,962,048
  5. Step 5: Solve for x
    x = 701,297,750,020,962,048/1,055,649,879.80
  6. Step 6: Final answer
    x = 664,327,977.90

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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.