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Finding the Fourth Proportional to 310,175,999.70, 465,263,999.55 and 252,780,371.70

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Solution

The fourth proportional to 310,175,999.70, 465,263,999.55 and 252,780,371.70 is: 379,170,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,175,999.70 : 465,263,999.55 = 252,780,371.70 : x
  2. Step 2: Convert to fraction form
    310,175,999.70/465,263,999.55 = 252,780,371.70/x
  3. Step 3: Cross multiply
    310,175,999.70x = 465,263,999.55 × 252,780,371.70
  4. Step 4: Simplify right side
    310,175,999.70x = 117,609,606,744,877,632
  5. Step 5: Solve for x
    x = 117,609,606,744,877,632/310,175,999.70
  6. Step 6: Final answer
    x = 379,170,557.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.