Home / 667,340,074.70-1,001,010,112.05-380,685,610.70

Finding the Fourth Proportional to 667,340,074.70, 1,001,010,112.05 and 380,685,610.70

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Solution

The fourth proportional to 667,340,074.70, 1,001,010,112.05 and 380,685,610.70 is: 571,028,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,340,074.70 : 1,001,010,112.05 = 380,685,610.70 : x
  2. Step 2: Convert to fraction form
    667,340,074.70/1,001,010,112.05 = 380,685,610.70/x
  3. Step 3: Cross multiply
    667,340,074.70x = 1,001,010,112.05 × 380,685,610.70
  4. Step 4: Simplify right side
    667,340,074.70x = 381,070,145,822,629,632
  5. Step 5: Solve for x
    x = 381,070,145,822,629,632/667,340,074.70
  6. Step 6: Final answer
    x = 571,028,416.05

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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.