Home / 512,263,012.12-706,923,184.98-277,313,665

Finding the Fourth Proportional to 512,263,012.12, 706,923,184.98 and 277,313,665

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Solution

The fourth proportional to 512,263,012.12, 706,923,184.98 and 277,313,665 is: 382,692,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,263,012.12 : 706,923,184.98 = 277,313,665 : x
  2. Step 2: Convert to fraction form
    512,263,012.12/706,923,184.98 = 277,313,665/x
  3. Step 3: Cross multiply
    512,263,012.12x = 706,923,184.98 × 277,313,665
  4. Step 4: Simplify right side
    512,263,012.12x = 196,039,459,300,276,768
  5. Step 5: Solve for x
    x = 196,039,459,300,276,768/512,263,012.12
  6. Step 6: Final answer
    x = 382,692,981.27

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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.