Home / 1,000,745,855.75-1,501,796,958.82-410,642,778.76

Finding the Fourth Proportional to 1,000,745,855.75, 1,501,796,958.82 and 410,642,778.76

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Solution

The fourth proportional to 1,000,745,855.75, 1,501,796,958.82 and 410,642,778.76 is: 616,242,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,745,855.75 : 1,501,796,958.82 = 410,642,778.76 : x
  2. Step 2: Convert to fraction form
    1,000,745,855.75/1,501,796,958.82 = 410,642,778.76/x
  3. Step 3: Cross multiply
    1,000,745,855.75x = 1,501,796,958.82 × 410,642,778.76
  4. Step 4: Simplify right side
    1,000,745,855.75x = 616,702,076,303,761,920
  5. Step 5: Solve for x
    x = 616,702,076,303,761,920/1,000,745,855.75
  6. Step 6: Final answer
    x = 616,242,448.33

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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.