Home / 729,756,914.82-1,095,033,867.66-309,512,918.34

Finding the Fourth Proportional to 729,756,914.82, 1,095,033,867.66 and 309,512,918.34

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Solution

The fourth proportional to 729,756,914.82, 1,095,033,867.66 and 309,512,918.34 is: 464,438,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,756,914.82 : 1,095,033,867.66 = 309,512,918.34 : x
  2. Step 2: Convert to fraction form
    729,756,914.82/1,095,033,867.66 = 309,512,918.34/x
  3. Step 3: Cross multiply
    729,756,914.82x = 1,095,033,867.66 × 309,512,918.34
  4. Step 4: Simplify right side
    729,756,914.82x = 338,927,128,060,583,936
  5. Step 5: Solve for x
    x = 338,927,128,060,583,936/729,756,914.82
  6. Step 6: Final answer
    x = 464,438,391.99

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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.