Home / 663,552,990.10-995,329,485.15-203,487,505.30

Finding the Fourth Proportional to 663,552,990.10, 995,329,485.15 and 203,487,505.30

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Solution

The fourth proportional to 663,552,990.10, 995,329,485.15 and 203,487,505.30 is: 305,231,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,990.10 : 995,329,485.15 = 203,487,505.30 : x
  2. Step 2: Convert to fraction form
    663,552,990.10/995,329,485.15 = 203,487,505.30/x
  3. Step 3: Cross multiply
    663,552,990.10x = 995,329,485.15 × 203,487,505.30
  4. Step 4: Simplify right side
    663,552,990.10x = 202,537,113,884,706,912
  5. Step 5: Solve for x
    x = 202,537,113,884,706,912/663,552,990.10
  6. Step 6: Final answer
    x = 305,231,257.95

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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.