Home / 2,084,432,616.47-3,126,749,483.28-685,385,914.25

Finding the Fourth Proportional to 2,084,432,616.47, 3,126,749,483.28 and 685,385,914.25

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Solution

The fourth proportional to 2,084,432,616.47, 3,126,749,483.28 and 685,385,914.25 is: 1,028,111,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,432,616.47 : 3,126,749,483.28 = 685,385,914.25 : x
  2. Step 2: Convert to fraction form
    2,084,432,616.47/3,126,749,483.28 = 685,385,914.25/x
  3. Step 3: Cross multiply
    2,084,432,616.47x = 3,126,749,483.28 × 685,385,914.25
  4. Step 4: Simplify right side
    2,084,432,616.47x = 2,143,030,053,212,944,384
  5. Step 5: Solve for x
    x = 2,143,030,053,212,944,384/2,084,432,616.47
  6. Step 6: Final answer
    x = 1,028,111,936.21

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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.