Home / 765,413,822.40-1,148,566,334.46-322,728,742.29

Finding the Fourth Proportional to 765,413,822.40, 1,148,566,334.46 and 322,728,742.29

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Solution

The fourth proportional to 765,413,822.40, 1,148,566,334.46 and 322,728,742.29 is: 484,280,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,413,822.40 : 1,148,566,334.46 = 322,728,742.29 : x
  2. Step 2: Convert to fraction form
    765,413,822.40/1,148,566,334.46 = 322,728,742.29/x
  3. Step 3: Cross multiply
    765,413,822.40x = 1,148,566,334.46 × 322,728,742.29
  4. Step 4: Simplify right side
    765,413,822.40x = 370,675,368,556,911,296
  5. Step 5: Solve for x
    x = 370,675,368,556,911,296/765,413,822.40
  6. Step 6: Final answer
    x = 484,280,996.38

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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.