Home / 293,382,004.80-440,073,007.20-147,759,297.60

Finding the Fourth Proportional to 293,382,004.80, 440,073,007.20 and 147,759,297.60

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Solution

The fourth proportional to 293,382,004.80, 440,073,007.20 and 147,759,297.60 is: 221,638,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,382,004.80 : 440,073,007.20 = 147,759,297.60 : x
  2. Step 2: Convert to fraction form
    293,382,004.80/440,073,007.20 = 147,759,297.60/x
  3. Step 3: Cross multiply
    293,382,004.80x = 440,073,007.20 × 147,759,297.60
  4. Step 4: Simplify right side
    293,382,004.80x = 65,024,878,436,591,736
  5. Step 5: Solve for x
    x = 65,024,878,436,591,736/293,382,004.80
  6. Step 6: Final answer
    x = 221,638,946.40

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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.