Home / 605,232,016.80-907,848,025.20-299,122,000.80

Finding the Fourth Proportional to 605,232,016.80, 907,848,025.20 and 299,122,000.80

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Solution

The fourth proportional to 605,232,016.80, 907,848,025.20 and 299,122,000.80 is: 448,683,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,232,016.80 : 907,848,025.20 = 299,122,000.80 : x
  2. Step 2: Convert to fraction form
    605,232,016.80/907,848,025.20 = 299,122,000.80/x
  3. Step 3: Cross multiply
    605,232,016.80x = 907,848,025.20 × 299,122,000.80
  4. Step 4: Simplify right side
    605,232,016.80x = 271,557,317,720,152,832
  5. Step 5: Solve for x
    x = 271,557,317,720,152,832/605,232,016.80
  6. Step 6: Final answer
    x = 448,683,001.20

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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.