Home / 275,317,128.60-412,975,692.90-252,358,877.40

Finding the Fourth Proportional to 275,317,128.60, 412,975,692.90 and 252,358,877.40

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Solution

The fourth proportional to 275,317,128.60, 412,975,692.90 and 252,358,877.40 is: 378,538,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,317,128.60 : 412,975,692.90 = 252,358,877.40 : x
  2. Step 2: Convert to fraction form
    275,317,128.60/412,975,692.90 = 252,358,877.40/x
  3. Step 3: Cross multiply
    275,317,128.60x = 412,975,692.90 × 252,358,877.40
  4. Step 4: Simplify right side
    275,317,128.60x = 104,218,082,253,731,152
  5. Step 5: Solve for x
    x = 104,218,082,253,731,152/275,317,128.60
  6. Step 6: Final answer
    x = 378,538,316.10

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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.