Home / 624,299,245.80-936,448,868.70-393,520,007.40

Finding the Fourth Proportional to 624,299,245.80, 936,448,868.70 and 393,520,007.40

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Solution

The fourth proportional to 624,299,245.80, 936,448,868.70 and 393,520,007.40 is: 590,280,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,299,245.80 : 936,448,868.70 = 393,520,007.40 : x
  2. Step 2: Convert to fraction form
    624,299,245.80/936,448,868.70 = 393,520,007.40/x
  3. Step 3: Cross multiply
    624,299,245.80x = 936,448,868.70 × 393,520,007.40
  4. Step 4: Simplify right side
    624,299,245.80x = 368,511,365,740,545,600
  5. Step 5: Solve for x
    x = 368,511,365,740,545,600/624,299,245.80
  6. Step 6: Final answer
    x = 590,280,011.10

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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.