Home / 1,327,206,772.48-1,990,588,199.02-486,675,825.62

Finding the Fourth Proportional to 1,327,206,772.48, 1,990,588,199.02 and 486,675,825.62

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Solution

The fourth proportional to 1,327,206,772.48, 1,990,588,199.02 and 486,675,825.62 is: 729,932,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,206,772.48 : 1,990,588,199.02 = 486,675,825.62 : x
  2. Step 2: Convert to fraction form
    1,327,206,772.48/1,990,588,199.02 = 486,675,825.62/x
  3. Step 3: Cross multiply
    1,327,206,772.48x = 1,990,588,199.02 × 486,675,825.62
  4. Step 4: Simplify right side
    1,327,206,772.48x = 968,771,155,227,487,360
  5. Step 5: Solve for x
    x = 968,771,155,227,487,360/1,327,206,772.48
  6. Step 6: Final answer
    x = 729,932,347.63

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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.