Home / 528,770,080.80-793,155,121.20-426,733,408.80

Finding the Fourth Proportional to 528,770,080.80, 793,155,121.20 and 426,733,408.80

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Solution

The fourth proportional to 528,770,080.80, 793,155,121.20 and 426,733,408.80 is: 640,100,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,770,080.80 : 793,155,121.20 = 426,733,408.80 : x
  2. Step 2: Convert to fraction form
    528,770,080.80/793,155,121.20 = 426,733,408.80/x
  3. Step 3: Cross multiply
    528,770,080.80x = 793,155,121.20 × 426,733,408.80
  4. Step 4: Simplify right side
    528,770,080.80x = 338,465,788,576,853,184
  5. Step 5: Solve for x
    x = 338,465,788,576,853,184/528,770,080.80
  6. Step 6: Final answer
    x = 640,100,113.20

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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.