Home / 386,880,801.60-580,321,202.40-299,204,846.40

Finding the Fourth Proportional to 386,880,801.60, 580,321,202.40 and 299,204,846.40

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Solution

The fourth proportional to 386,880,801.60, 580,321,202.40 and 299,204,846.40 is: 448,807,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,880,801.60 : 580,321,202.40 = 299,204,846.40 : x
  2. Step 2: Convert to fraction form
    386,880,801.60/580,321,202.40 = 299,204,846.40/x
  3. Step 3: Cross multiply
    386,880,801.60x = 580,321,202.40 × 299,204,846.40
  4. Step 4: Simplify right side
    386,880,801.60x = 173,634,916,226,755,296
  5. Step 5: Solve for x
    x = 173,634,916,226,755,296/386,880,801.60
  6. Step 6: Final answer
    x = 448,807,269.60

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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.