Home / 696,110,500,086.80-960,632,536,314.69-387,455,235,213.49

Finding the Fourth Proportional to 696,110,500,086.80, 960,632,536,314.69 and 387,455,235,213.49

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Solution

The fourth proportional to 696,110,500,086.80, 960,632,536,314.69 and 387,455,235,213.49 is: 534,688,250,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,110,500,086.80 : 960,632,536,314.69 = 387,455,235,213.49 : x
  2. Step 2: Convert to fraction form
    696,110,500,086.80/960,632,536,314.69 = 387,455,235,213.49/x
  3. Step 3: Cross multiply
    696,110,500,086.80x = 960,632,536,314.69 × 387,455,235,213.49
  4. Step 4: Simplify right side
    696,110,500,086.80x = 372,202,105,311,539,633,324,032
  5. Step 5: Solve for x
    x = 372,202,105,311,539,633,324,032/696,110,500,086.80
  6. Step 6: Final answer
    x = 534,688,250,306.71

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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.