Home / 354,294,369.40-531,441,554.10-238,652,807.80

Finding the Fourth Proportional to 354,294,369.40, 531,441,554.10 and 238,652,807.80

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Solution

The fourth proportional to 354,294,369.40, 531,441,554.10 and 238,652,807.80 is: 357,979,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,369.40 : 531,441,554.10 = 238,652,807.80 : x
  2. Step 2: Convert to fraction form
    354,294,369.40/531,441,554.10 = 238,652,807.80/x
  3. Step 3: Cross multiply
    354,294,369.40x = 531,441,554.10 × 238,652,807.80
  4. Step 4: Simplify right side
    354,294,369.40x = 126,830,019,067,560,608
  5. Step 5: Solve for x
    x = 126,830,019,067,560,608/354,294,369.40
  6. Step 6: Final answer
    x = 357,979,211.70

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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.