Home / 629,857,220.40-944,785,830.60-370,939,165.20

Finding the Fourth Proportional to 629,857,220.40, 944,785,830.60 and 370,939,165.20

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Solution

The fourth proportional to 629,857,220.40, 944,785,830.60 and 370,939,165.20 is: 556,408,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,220.40 : 944,785,830.60 = 370,939,165.20 : x
  2. Step 2: Convert to fraction form
    629,857,220.40/944,785,830.60 = 370,939,165.20/x
  3. Step 3: Cross multiply
    629,857,220.40x = 944,785,830.60 × 370,939,165.20
  4. Step 4: Simplify right side
    629,857,220.40x = 350,458,067,295,552,640
  5. Step 5: Solve for x
    x = 350,458,067,295,552,640/629,857,220.40
  6. Step 6: Final answer
    x = 556,408,747.80

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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.