Home / 607,338,667.40-911,008,001.10-444,901,137.80

Finding the Fourth Proportional to 607,338,667.40, 911,008,001.10 and 444,901,137.80

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Solution

The fourth proportional to 607,338,667.40, 911,008,001.10 and 444,901,137.80 is: 667,351,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,338,667.40 : 911,008,001.10 = 444,901,137.80 : x
  2. Step 2: Convert to fraction form
    607,338,667.40/911,008,001.10 = 444,901,137.80/x
  3. Step 3: Cross multiply
    607,338,667.40x = 911,008,001.10 × 444,901,137.80
  4. Step 4: Simplify right side
    607,338,667.40x = 405,308,496,234,293,696
  5. Step 5: Solve for x
    x = 405,308,496,234,293,696/607,338,667.40
  6. Step 6: Final answer
    x = 667,351,706.70

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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.