Home / 449,326,422.40-673,989,633.60-372,735,932.80

Finding the Fourth Proportional to 449,326,422.40, 673,989,633.60 and 372,735,932.80

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Solution

The fourth proportional to 449,326,422.40, 673,989,633.60 and 372,735,932.80 is: 559,103,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,326,422.40 : 673,989,633.60 = 372,735,932.80 : x
  2. Step 2: Convert to fraction form
    449,326,422.40/673,989,633.60 = 372,735,932.80/x
  3. Step 3: Cross multiply
    449,326,422.40x = 673,989,633.60 × 372,735,932.80
  4. Step 4: Simplify right side
    449,326,422.40x = 251,220,154,777,426,240
  5. Step 5: Solve for x
    x = 251,220,154,777,426,240/449,326,422.40
  6. Step 6: Final answer
    x = 559,103,899.20

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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.