Home / 449,651,164.57-620,328,597.82-301,020,172.25

Finding the Fourth Proportional to 449,651,164.57, 620,328,597.82 and 301,020,172.25

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Solution

The fourth proportional to 449,651,164.57, 620,328,597.82 and 301,020,172.25 is: 415,280,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,651,164.57 : 620,328,597.82 = 301,020,172.25 : x
  2. Step 2: Convert to fraction form
    449,651,164.57/620,328,597.82 = 301,020,172.25/x
  3. Step 3: Cross multiply
    449,651,164.57x = 620,328,597.82 × 301,020,172.25
  4. Step 4: Simplify right side
    449,651,164.57x = 186,731,421,363,523,168
  5. Step 5: Solve for x
    x = 186,731,421,363,523,168/449,651,164.57
  6. Step 6: Final answer
    x = 415,280,635.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.