Home / 605,325,244.60-907,987,866.90-299,215,228.60

Finding the Fourth Proportional to 605,325,244.60, 907,987,866.90 and 299,215,228.60

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Solution

The fourth proportional to 605,325,244.60, 907,987,866.90 and 299,215,228.60 is: 448,822,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,325,244.60 : 907,987,866.90 = 299,215,228.60 : x
  2. Step 2: Convert to fraction form
    605,325,244.60/907,987,866.90 = 299,215,228.60/x
  3. Step 3: Cross multiply
    605,325,244.60x = 907,987,866.90 × 299,215,228.60
  4. Step 4: Simplify right side
    605,325,244.60x = 271,683,797,160,509,888
  5. Step 5: Solve for x
    x = 271,683,797,160,509,888/605,325,244.60
  6. Step 6: Final answer
    x = 448,822,842.90

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Double scale
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Similar ratio
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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.