Home / 512,263,022.40-706,923,199.12-277,313,675.28

Finding the Fourth Proportional to 512,263,022.40, 706,923,199.12 and 277,313,675.28

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Solution

The fourth proportional to 512,263,022.40, 706,923,199.12 and 277,313,675.28 is: 382,692,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,263,022.40 : 706,923,199.12 = 277,313,675.28 : x
  2. Step 2: Convert to fraction form
    512,263,022.40/706,923,199.12 = 277,313,675.28/x
  3. Step 3: Cross multiply
    512,263,022.40x = 706,923,199.12 × 277,313,675.28
  4. Step 4: Simplify right side
    512,263,022.40x = 196,039,470,488,662,432
  5. Step 5: Solve for x
    x = 196,039,470,488,662,432/512,263,022.40
  6. Step 6: Final answer
    x = 382,692,995.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.