Home / 406,519,734.28-609,792,858.24-193,517,905.36

Finding the Fourth Proportional to 406,519,734.28, 609,792,858.24 and 193,517,905.36

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Solution

The fourth proportional to 406,519,734.28, 609,792,858.24 and 193,517,905.36 is: 290,283,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,519,734.28 : 609,792,858.24 = 193,517,905.36 : x
  2. Step 2: Convert to fraction form
    406,519,734.28/609,792,858.24 = 193,517,905.36/x
  3. Step 3: Cross multiply
    406,519,734.28x = 609,792,858.24 × 193,517,905.36
  4. Step 4: Simplify right side
    406,519,734.28x = 118,005,836,630,092,224
  5. Step 5: Solve for x
    x = 118,005,836,630,092,224/406,519,734.28
  6. Step 6: Final answer
    x = 290,283,168.76

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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.