Home / 773,200,491.52-1,067,051,815.04-455,674,138.68

Finding the Fourth Proportional to 773,200,491.52, 1,067,051,815.04 and 455,674,138.68

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Solution

The fourth proportional to 773,200,491.52, 1,067,051,815.04 and 455,674,138.68 is: 628,851,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,200,491.52 : 1,067,051,815.04 = 455,674,138.68 : x
  2. Step 2: Convert to fraction form
    773,200,491.52/1,067,051,815.04 = 455,674,138.68/x
  3. Step 3: Cross multiply
    773,200,491.52x = 1,067,051,815.04 × 455,674,138.68
  4. Step 4: Simplify right side
    773,200,491.52x = 486,227,916,745,282,688
  5. Step 5: Solve for x
    x = 486,227,916,745,282,688/773,200,491.52
  6. Step 6: Final answer
    x = 628,851,018.69

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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.