Home / 667,340,064.70-1,001,010,097.05-380,685,600.70

Finding the Fourth Proportional to 667,340,064.70, 1,001,010,097.05 and 380,685,600.70

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Solution

The fourth proportional to 667,340,064.70, 1,001,010,097.05 and 380,685,600.70 is: 571,028,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,340,064.70 : 1,001,010,097.05 = 380,685,600.70 : x
  2. Step 2: Convert to fraction form
    667,340,064.70/1,001,010,097.05 = 380,685,600.70/x
  3. Step 3: Cross multiply
    667,340,064.70x = 1,001,010,097.05 × 380,685,600.70
  4. Step 4: Simplify right side
    667,340,064.70x = 381,070,130,102,244,544
  5. Step 5: Solve for x
    x = 381,070,130,102,244,544/667,340,064.70
  6. Step 6: Final answer
    x = 571,028,401.05

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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.