Home / 629,856,860.80-944,785,291.20-354,357,846.40

Finding the Fourth Proportional to 629,856,860.80, 944,785,291.20 and 354,357,846.40

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Solution

The fourth proportional to 629,856,860.80, 944,785,291.20 and 354,357,846.40 is: 531,536,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,860.80 : 944,785,291.20 = 354,357,846.40 : x
  2. Step 2: Convert to fraction form
    629,856,860.80/944,785,291.20 = 354,357,846.40/x
  3. Step 3: Cross multiply
    629,856,860.80x = 944,785,291.20 × 354,357,846.40
  4. Step 4: Simplify right side
    629,856,860.80x = 334,792,081,100,028,864
  5. Step 5: Solve for x
    x = 334,792,081,100,028,864/629,856,860.80
  6. Step 6: Final answer
    x = 531,536,769.60

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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.