Home / 720,106,560.67-993,906,920.62-437,789,012.66

Finding the Fourth Proportional to 720,106,560.67, 993,906,920.62 and 437,789,012.66

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Solution

The fourth proportional to 720,106,560.67, 993,906,920.62 and 437,789,012.66 is: 604,246,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,106,560.67 : 993,906,920.62 = 437,789,012.66 : x
  2. Step 2: Convert to fraction form
    720,106,560.67/993,906,920.62 = 437,789,012.66/x
  3. Step 3: Cross multiply
    720,106,560.67x = 993,906,920.62 × 437,789,012.66
  4. Step 4: Simplify right side
    720,106,560.67x = 435,121,529,458,290,752
  5. Step 5: Solve for x
    x = 435,121,529,458,290,752/720,106,560.67
  6. Step 6: Final answer
    x = 604,246,028.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.