Home / 673,963,404.85-1,010,945,107.28-440,160,857.65

Finding the Fourth Proportional to 673,963,404.85, 1,010,945,107.28 and 440,160,857.65

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Solution

The fourth proportional to 673,963,404.85, 1,010,945,107.28 and 440,160,857.65 is: 660,241,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,963,404.85 : 1,010,945,107.28 = 440,160,857.65 : x
  2. Step 2: Convert to fraction form
    673,963,404.85/1,010,945,107.28 = 440,160,857.65/x
  3. Step 3: Cross multiply
    673,963,404.85x = 1,010,945,107.28 × 440,160,857.65
  4. Step 4: Simplify right side
    673,963,404.85x = 444,978,465,455,235,200
  5. Step 5: Solve for x
    x = 444,978,465,455,235,200/673,963,404.85
  6. Step 6: Final answer
    x = 660,241,286.48

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Double scale
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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.