Home / 667,413,320.10-1,001,214,458.55-207,303,512.10

Finding the Fourth Proportional to 667,413,320.10, 1,001,214,458.55 and 207,303,512.10

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Solution

The fourth proportional to 667,413,320.10, 1,001,214,458.55 and 207,303,512.10 is: 310,984,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,413,320.10 : 1,001,214,458.55 = 207,303,512.10 : x
  2. Step 2: Convert to fraction form
    667,413,320.10/1,001,214,458.55 = 207,303,512.10/x
  3. Step 3: Cross multiply
    667,413,320.10x = 1,001,214,458.55 × 207,303,512.10
  4. Step 4: Simplify right side
    667,413,320.10x = 207,555,273,622,714,848
  5. Step 5: Solve for x
    x = 207,555,273,622,714,848/667,413,320.10
  6. Step 6: Final answer
    x = 310,984,613.84

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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.