Home / 2,113,632,021.60-3,170,448,032.40-659,420,488.80

Finding the Fourth Proportional to 2,113,632,021.60, 3,170,448,032.40 and 659,420,488.80

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Solution

The fourth proportional to 2,113,632,021.60, 3,170,448,032.40 and 659,420,488.80 is: 989,130,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,632,021.60 : 3,170,448,032.40 = 659,420,488.80 : x
  2. Step 2: Convert to fraction form
    2,113,632,021.60/3,170,448,032.40 = 659,420,488.80/x
  3. Step 3: Cross multiply
    2,113,632,021.60x = 3,170,448,032.40 × 659,420,488.80
  4. Step 4: Simplify right side
    2,113,632,021.60x = 2,090,658,391,240,206,080
  5. Step 5: Solve for x
    x = 2,090,658,391,240,206,080/2,113,632,021.60
  6. Step 6: Final answer
    x = 989,130,733.20

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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.