Home / 773,200,489.52-1,067,051,812.28-455,674,136.69

Finding the Fourth Proportional to 773,200,489.52, 1,067,051,812.28 and 455,674,136.69

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Solution

The fourth proportional to 773,200,489.52, 1,067,051,812.28 and 455,674,136.69 is: 628,851,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,200,489.52 : 1,067,051,812.28 = 455,674,136.69 : x
  2. Step 2: Convert to fraction form
    773,200,489.52/1,067,051,812.28 = 455,674,136.69/x
  3. Step 3: Cross multiply
    773,200,489.52x = 1,067,051,812.28 × 455,674,136.69
  4. Step 4: Simplify right side
    773,200,489.52x = 486,227,913,356,575,296
  5. Step 5: Solve for x
    x = 486,227,913,356,575,296/773,200,489.52
  6. Step 6: Final answer
    x = 628,851,015.94

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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.