Home / 667,656,768.76-1,000,778,323.98-224,577,651.76

Finding the Fourth Proportional to 667,656,768.76, 1,000,778,323.98 and 224,577,651.76

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Solution

The fourth proportional to 667,656,768.76, 1,000,778,323.98 and 224,577,651.76 is: 336,628,723.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,656,768.76 : 1,000,778,323.98 = 224,577,651.76 : x
  2. Step 2: Convert to fraction form
    667,656,768.76/1,000,778,323.98 = 224,577,651.76/x
  3. Step 3: Cross multiply
    667,656,768.76x = 1,000,778,323.98 × 224,577,651.76
  4. Step 4: Simplify right side
    667,656,768.76x = 224,752,445,931,736,896
  5. Step 5: Solve for x
    x = 224,752,445,931,736,896/667,656,768.76
  6. Step 6: Final answer
    x = 336,628,723.69

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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.