Home / 422,927,517.80-634,377,317.34-173,924,157.80

Finding the Fourth Proportional to 422,927,517.80, 634,377,317.34 and 173,924,157.80

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Solution

The fourth proportional to 422,927,517.80, 634,377,317.34 and 173,924,157.80 is: 260,880,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,927,517.80 : 634,377,317.34 = 173,924,157.80 : x
  2. Step 2: Convert to fraction form
    422,927,517.80/634,377,317.34 = 173,924,157.80/x
  3. Step 3: Cross multiply
    422,927,517.80x = 634,377,317.34 × 173,924,157.80
  4. Step 4: Simplify right side
    422,927,517.80x = 110,333,540,645,782,848
  5. Step 5: Solve for x
    x = 110,333,540,645,782,848/422,927,517.80
  6. Step 6: Final answer
    x = 260,880,496.07

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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.