Home / 681,080,350.69-939,890,847.99-367,814,534.50

Finding the Fourth Proportional to 681,080,350.69, 939,890,847.99 and 367,814,534.50

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Solution

The fourth proportional to 681,080,350.69, 939,890,847.99 and 367,814,534.50 is: 507,584,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,080,350.69 : 939,890,847.99 = 367,814,534.50 : x
  2. Step 2: Convert to fraction form
    681,080,350.69/939,890,847.99 = 367,814,534.50/x
  3. Step 3: Cross multiply
    681,080,350.69x = 939,890,847.99 × 367,814,534.50
  4. Step 4: Simplify right side
    681,080,350.69x = 345,705,514,734,252,096
  5. Step 5: Solve for x
    x = 345,705,514,734,252,096/681,080,350.69
  6. Step 6: Final answer
    x = 507,584,038.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.