Home / 299,033,781.40-448,550,672.10-196,913,128.60

Finding the Fourth Proportional to 299,033,781.40, 448,550,672.10 and 196,913,128.60

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Solution

The fourth proportional to 299,033,781.40, 448,550,672.10 and 196,913,128.60 is: 295,369,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,033,781.40 : 448,550,672.10 = 196,913,128.60 : x
  2. Step 2: Convert to fraction form
    299,033,781.40/448,550,672.10 = 196,913,128.60/x
  3. Step 3: Cross multiply
    299,033,781.40x = 448,550,672.10 × 196,913,128.60
  4. Step 4: Simplify right side
    299,033,781.40x = 88,325,516,178,843,728
  5. Step 5: Solve for x
    x = 88,325,516,178,843,728/299,033,781.40
  6. Step 6: Final answer
    x = 295,369,692.90

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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.