Home / 1,055,649,866.80-1,584,230,627.40-442,674,007.60

Finding the Fourth Proportional to 1,055,649,866.80, 1,584,230,627.40 and 442,674,007.60

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Solution

The fourth proportional to 1,055,649,866.80, 1,584,230,627.40 and 442,674,007.60 is: 664,327,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,649,866.80 : 1,584,230,627.40 = 442,674,007.60 : x
  2. Step 2: Convert to fraction form
    1,055,649,866.80/1,584,230,627.40 = 442,674,007.60/x
  3. Step 3: Cross multiply
    1,055,649,866.80x = 1,584,230,627.40 × 442,674,007.60
  4. Step 4: Simplify right side
    1,055,649,866.80x = 701,297,720,793,820,416
  5. Step 5: Solve for x
    x = 701,297,720,793,820,416/1,055,649,866.80
  6. Step 6: Final answer
    x = 664,327,958.40

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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.