Home / 607,392,030.80-911,088,046.20-279,866,910.80

Finding the Fourth Proportional to 607,392,030.80, 911,088,046.20 and 279,866,910.80

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Solution

The fourth proportional to 607,392,030.80, 911,088,046.20 and 279,866,910.80 is: 419,800,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,392,030.80 : 911,088,046.20 = 279,866,910.80 : x
  2. Step 2: Convert to fraction form
    607,392,030.80/911,088,046.20 = 279,866,910.80/x
  3. Step 3: Cross multiply
    607,392,030.80x = 911,088,046.20 × 279,866,910.80
  4. Step 4: Simplify right side
    607,392,030.80x = 254,983,396,956,801,696
  5. Step 5: Solve for x
    x = 254,983,396,956,801,696/607,392,030.80
  6. Step 6: Final answer
    x = 419,800,366.20

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Double scale
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Similar ratio
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1.5x scale

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.