Home / 252,735,999.60-379,103,999.40-211,921,330.80

Finding the Fourth Proportional to 252,735,999.60, 379,103,999.40 and 211,921,330.80

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Solution

The fourth proportional to 252,735,999.60, 379,103,999.40 and 211,921,330.80 is: 317,881,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,735,999.60 : 379,103,999.40 = 211,921,330.80 : x
  2. Step 2: Convert to fraction form
    252,735,999.60/379,103,999.40 = 211,921,330.80/x
  3. Step 3: Cross multiply
    252,735,999.60x = 379,103,999.40 × 211,921,330.80
  4. Step 4: Simplify right side
    252,735,999.60x = 80,340,224,064,450,400
  5. Step 5: Solve for x
    x = 80,340,224,064,450,400/252,735,999.60
  6. Step 6: Final answer
    x = 317,881,996.20

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1.5x scale

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.