Home / 726,701,770.80-1,090,052,656.20-531,556,635.60

Finding the Fourth Proportional to 726,701,770.80, 1,090,052,656.20 and 531,556,635.60

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Solution

The fourth proportional to 726,701,770.80, 1,090,052,656.20 and 531,556,635.60 is: 797,334,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,701,770.80 : 1,090,052,656.20 = 531,556,635.60 : x
  2. Step 2: Convert to fraction form
    726,701,770.80/1,090,052,656.20 = 531,556,635.60/x
  3. Step 3: Cross multiply
    726,701,770.80x = 1,090,052,656.20 × 531,556,635.60
  4. Step 4: Simplify right side
    726,701,770.80x = 579,424,722,556,515,584
  5. Step 5: Solve for x
    x = 579,424,722,556,515,584/726,701,770.80
  6. Step 6: Final answer
    x = 797,334,953.40

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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.