Home / 403,385,848.73-605,254,771.37-141,258,536.88

Finding the Fourth Proportional to 403,385,848.73, 605,254,771.37 and 141,258,536.88

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Solution

The fourth proportional to 403,385,848.73, 605,254,771.37 and 141,258,536.88 is: 211,949,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,385,848.73 : 605,254,771.37 = 141,258,536.88 : x
  2. Step 2: Convert to fraction form
    403,385,848.73/605,254,771.37 = 141,258,536.88/x
  3. Step 3: Cross multiply
    403,385,848.73x = 605,254,771.37 × 141,258,536.88
  4. Step 4: Simplify right side
    403,385,848.73x = 85,497,403,442,658,816
  5. Step 5: Solve for x
    x = 85,497,403,442,658,816/403,385,848.73
  6. Step 6: Final answer
    x = 211,949,436.78

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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.