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Finding the Fourth Proportional to 431,852,734.33, 595,954,978.35 and 233,613,740.44

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Solution

The fourth proportional to 431,852,734.33, 595,954,978.35 and 233,613,740.44 is: 322,385,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,852,734.33 : 595,954,978.35 = 233,613,740.44 : x
  2. Step 2: Convert to fraction form
    431,852,734.33/595,954,978.35 = 233,613,740.44/x
  3. Step 3: Cross multiply
    431,852,734.33x = 595,954,978.35 × 233,613,740.44
  4. Step 4: Simplify right side
    431,852,734.33x = 139,223,271,626,182,720
  5. Step 5: Solve for x
    x = 139,223,271,626,182,720/431,852,734.33
  6. Step 6: Final answer
    x = 322,385,990.78

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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.