Home / 3,480,153,758.48-5,220,089,067.63-859,891,879.64

Finding the Fourth Proportional to 3,480,153,758.48, 5,220,089,067.63 and 859,891,879.64

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Solution

The fourth proportional to 3,480,153,758.48, 5,220,089,067.63 and 859,891,879.64 is: 1,289,802,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,153,758.48 : 5,220,089,067.63 = 859,891,879.64 : x
  2. Step 2: Convert to fraction form
    3,480,153,758.48/5,220,089,067.63 = 859,891,879.64/x
  3. Step 3: Cross multiply
    3,480,153,758.48x = 5,220,089,067.63 × 859,891,879.64
  4. Step 4: Simplify right side
    3,480,153,758.48x = 4,488,712,200,252,575,744
  5. Step 5: Solve for x
    x = 4,488,712,200,252,575,744/3,480,153,758.48
  6. Step 6: Final answer
    x = 1,289,802,839.69

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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.