Home / 760,786,933.32-1,140,383,921.79-318,383,086.20

Finding the Fourth Proportional to 760,786,933.32, 1,140,383,921.79 and 318,383,086.20

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Solution

The fourth proportional to 760,786,933.32, 1,140,383,921.79 and 318,383,086.20 is: 477,241,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,786,933.32 : 1,140,383,921.79 = 318,383,086.20 : x
  2. Step 2: Convert to fraction form
    760,786,933.32/1,140,383,921.79 = 318,383,086.20/x
  3. Step 3: Cross multiply
    760,786,933.32x = 1,140,383,921.79 × 318,383,086.20
  4. Step 4: Simplify right side
    760,786,933.32x = 363,078,952,472,359,616
  5. Step 5: Solve for x
    x = 363,078,952,472,359,616/760,786,933.32
  6. Step 6: Final answer
    x = 477,241,309.72

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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.