Home / 658,624,164.60-987,936,246.90-173,949,972.60

Finding the Fourth Proportional to 658,624,164.60, 987,936,246.90 and 173,949,972.60

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Solution

The fourth proportional to 658,624,164.60, 987,936,246.90 and 173,949,972.60 is: 260,924,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,624,164.60 : 987,936,246.90 = 173,949,972.60 : x
  2. Step 2: Convert to fraction form
    658,624,164.60/987,936,246.90 = 173,949,972.60/x
  3. Step 3: Cross multiply
    658,624,164.60x = 987,936,246.90 × 173,949,972.60
  4. Step 4: Simplify right side
    658,624,164.60x = 171,851,483,078,801,824
  5. Step 5: Solve for x
    x = 171,851,483,078,801,824/658,624,164.60
  6. Step 6: Final answer
    x = 260,924,958.90

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Double scale
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1.5x scale

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.