Home / 607,338,720.90-911,008,081.35-444,901,191.30

Finding the Fourth Proportional to 607,338,720.90, 911,008,081.35 and 444,901,191.30

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Solution

The fourth proportional to 607,338,720.90, 911,008,081.35 and 444,901,191.30 is: 667,351,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,338,720.90 : 911,008,081.35 = 444,901,191.30 : x
  2. Step 2: Convert to fraction form
    607,338,720.90/911,008,081.35 = 444,901,191.30/x
  3. Step 3: Cross multiply
    607,338,720.90x = 911,008,081.35 × 444,901,191.30
  4. Step 4: Simplify right side
    607,338,720.90x = 405,308,580,676,542,336
  5. Step 5: Solve for x
    x = 405,308,580,676,542,336/607,338,720.90
  6. Step 6: Final answer
    x = 667,351,786.95

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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.