Home / 667,656,767.76-1,000,778,322.48-224,577,650.76

Finding the Fourth Proportional to 667,656,767.76, 1,000,778,322.48 and 224,577,650.76

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Solution

The fourth proportional to 667,656,767.76, 1,000,778,322.48 and 224,577,650.76 is: 336,628,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,656,767.76 : 1,000,778,322.48 = 224,577,650.76 : x
  2. Step 2: Convert to fraction form
    667,656,767.76/1,000,778,322.48 = 224,577,650.76/x
  3. Step 3: Cross multiply
    667,656,767.76x = 1,000,778,322.48 × 224,577,650.76
  4. Step 4: Simplify right side
    667,656,767.76x = 224,752,444,594,092,096
  5. Step 5: Solve for x
    x = 224,752,444,594,092,096/667,656,767.76
  6. Step 6: Final answer
    x = 336,628,722.19

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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.