Home / 516,265,213.69-774,396,852.71-161,766,636.44

Finding the Fourth Proportional to 516,265,213.69, 774,396,852.71 and 161,766,636.44

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Solution

The fourth proportional to 516,265,213.69, 774,396,852.71 and 161,766,636.44 is: 242,649,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,265,213.69 : 774,396,852.71 = 161,766,636.44 : x
  2. Step 2: Convert to fraction form
    516,265,213.69/774,396,852.71 = 161,766,636.44/x
  3. Step 3: Cross multiply
    516,265,213.69x = 774,396,852.71 × 161,766,636.44
  4. Step 4: Simplify right side
    516,265,213.69x = 125,271,574,131,809,968
  5. Step 5: Solve for x
    x = 125,271,574,131,809,968/516,265,213.69
  6. Step 6: Final answer
    x = 242,649,651.40

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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.