Home / 472,355,619.50-708,485,591.22-127,344,122.30

Finding the Fourth Proportional to 472,355,619.50, 708,485,591.22 and 127,344,122.30

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Solution

The fourth proportional to 472,355,619.50, 708,485,591.22 and 127,344,122.30 is: 191,003,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,355,619.50 : 708,485,591.22 = 127,344,122.30 : x
  2. Step 2: Convert to fraction form
    472,355,619.50/708,485,591.22 = 127,344,122.30/x
  3. Step 3: Cross multiply
    472,355,619.50x = 708,485,591.22 × 127,344,122.30
  4. Step 4: Simplify right side
    472,355,619.50x = 90,221,475,776,107,488
  5. Step 5: Solve for x
    x = 90,221,475,776,107,488/472,355,619.50
  6. Step 6: Final answer
    x = 191,003,286.62

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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.