Home / 1,256,095,989.28-1,884,424,995.78-382,765,708

Finding the Fourth Proportional to 1,256,095,989.28, 1,884,424,995.78 and 382,765,708

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Solution

The fourth proportional to 1,256,095,989.28, 1,884,424,995.78 and 382,765,708 is: 574,234,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,095,989.28 : 1,884,424,995.78 = 382,765,708 : x
  2. Step 2: Convert to fraction form
    1,256,095,989.28/1,884,424,995.78 = 382,765,708/x
  3. Step 3: Cross multiply
    1,256,095,989.28x = 1,884,424,995.78 × 382,765,708
  4. Step 4: Simplify right side
    1,256,095,989.28x = 721,293,267,682,628,736
  5. Step 5: Solve for x
    x = 721,293,267,682,628,736/1,256,095,989.28
  6. Step 6: Final answer
    x = 574,234,193.75

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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.