Home / 542,304,003.40-813,456,005.10-173,838,243.40

Finding the Fourth Proportional to 542,304,003.40, 813,456,005.10 and 173,838,243.40

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Solution

The fourth proportional to 542,304,003.40, 813,456,005.10 and 173,838,243.40 is: 260,757,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,304,003.40 : 813,456,005.10 = 173,838,243.40 : x
  2. Step 2: Convert to fraction form
    542,304,003.40/813,456,005.10 = 173,838,243.40/x
  3. Step 3: Cross multiply
    542,304,003.40x = 813,456,005.10 × 173,838,243.40
  4. Step 4: Simplify right side
    542,304,003.40x = 141,409,763,009,765,456
  5. Step 5: Solve for x
    x = 141,409,763,009,765,456/542,304,003.40
  6. Step 6: Final answer
    x = 260,757,365.10

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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.