Home / 763,973,101.59-1,145,958,221.87-239,382,363.32

Finding the Fourth Proportional to 763,973,101.59, 1,145,958,221.87 and 239,382,363.32

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Solution

The fourth proportional to 763,973,101.59, 1,145,958,221.87 and 239,382,363.32 is: 359,073,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,973,101.59 : 1,145,958,221.87 = 239,382,363.32 : x
  2. Step 2: Convert to fraction form
    763,973,101.59/1,145,958,221.87 = 239,382,363.32/x
  3. Step 3: Cross multiply
    763,973,101.59x = 1,145,958,221.87 × 239,382,363.32
  4. Step 4: Simplify right side
    763,973,101.59x = 274,322,187,415,505,792
  5. Step 5: Solve for x
    x = 274,322,187,415,505,792/763,973,101.59
  6. Step 6: Final answer
    x = 359,073,096.74

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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.