Home / 1,055,649,878.80-1,584,230,645.40-442,674,019.60

Finding the Fourth Proportional to 1,055,649,878.80, 1,584,230,645.40 and 442,674,019.60

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Solution

The fourth proportional to 1,055,649,878.80, 1,584,230,645.40 and 442,674,019.60 is: 664,327,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,649,878.80 : 1,584,230,645.40 = 442,674,019.60 : x
  2. Step 2: Convert to fraction form
    1,055,649,878.80/1,584,230,645.40 = 442,674,019.60/x
  3. Step 3: Cross multiply
    1,055,649,878.80x = 1,584,230,645.40 × 442,674,019.60
  4. Step 4: Simplify right side
    1,055,649,878.80x = 701,297,747,772,720,384
  5. Step 5: Solve for x
    x = 701,297,747,772,720,384/1,055,649,878.80
  6. Step 6: Final answer
    x = 664,327,976.40

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1.5x scale

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.