Home / 354,907,603.40-531,465,609.90-233,079,456.20

Finding the Fourth Proportional to 354,907,603.40, 531,465,609.90 and 233,079,456.20

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Solution

The fourth proportional to 354,907,603.40, 531,465,609.90 and 233,079,456.20 is: 349,030,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,907,603.40 : 531,465,609.90 = 233,079,456.20 : x
  2. Step 2: Convert to fraction form
    354,907,603.40/531,465,609.90 = 233,079,456.20/x
  3. Step 3: Cross multiply
    354,907,603.40x = 531,465,609.90 × 233,079,456.20
  4. Step 4: Simplify right side
    354,907,603.40x = 123,873,715,344,493,328
  5. Step 5: Solve for x
    x = 123,873,715,344,493,328/354,907,603.40
  6. Step 6: Final answer
    x = 349,030,886.23

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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.