Home / 312,208,891.20-468,313,336.80-293,077,015.20

Finding the Fourth Proportional to 312,208,891.20, 468,313,336.80 and 293,077,015.20

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Solution

The fourth proportional to 312,208,891.20, 468,313,336.80 and 293,077,015.20 is: 439,615,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,891.20 : 468,313,336.80 = 293,077,015.20 : x
  2. Step 2: Convert to fraction form
    312,208,891.20/468,313,336.80 = 293,077,015.20/x
  3. Step 3: Cross multiply
    312,208,891.20x = 468,313,336.80 × 293,077,015.20
  4. Step 4: Simplify right side
    312,208,891.20x = 137,251,874,927,696,320
  5. Step 5: Solve for x
    x = 137,251,874,927,696,320/312,208,891.20
  6. Step 6: Final answer
    x = 439,615,522.80

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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.