Home / 688,451,159.25-1,032,981,694.20-360,848,816.28

Finding the Fourth Proportional to 688,451,159.25, 1,032,981,694.20 and 360,848,816.28

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Solution

The fourth proportional to 688,451,159.25, 1,032,981,694.20 and 360,848,816.28 is: 541,433,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,451,159.25 : 1,032,981,694.20 = 360,848,816.28 : x
  2. Step 2: Convert to fraction form
    688,451,159.25/1,032,981,694.20 = 360,848,816.28/x
  3. Step 3: Cross multiply
    688,451,159.25x = 1,032,981,694.20 × 360,848,816.28
  4. Step 4: Simplify right side
    688,451,159.25x = 372,750,221,590,978,944
  5. Step 5: Solve for x
    x = 372,750,221,590,978,944/688,451,159.25
  6. Step 6: Final answer
    x = 541,433,065.49

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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.