Home / 604,936,807.20-905,137,729.20-400,863,463.20

Finding the Fourth Proportional to 604,936,807.20, 905,137,729.20 and 400,863,463.20

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Solution

The fourth proportional to 604,936,807.20, 905,137,729.20 and 400,863,463.20 is: 599,792,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,936,807.20 : 905,137,729.20 = 400,863,463.20 : x
  2. Step 2: Convert to fraction form
    604,936,807.20/905,137,729.20 = 400,863,463.20/x
  3. Step 3: Cross multiply
    604,936,807.20x = 905,137,729.20 × 400,863,463.20
  4. Step 4: Simplify right side
    604,936,807.20x = 362,836,644,800,095,744
  5. Step 5: Solve for x
    x = 362,836,644,800,095,744/604,936,807.20
  6. Step 6: Final answer
    x = 599,792,640.29

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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.