Home / 550,639,514.85-825,959,272.28-414,590,618.85

Finding the Fourth Proportional to 550,639,514.85, 825,959,272.28 and 414,590,618.85

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Solution

The fourth proportional to 550,639,514.85, 825,959,272.28 and 414,590,618.85 is: 621,885,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,639,514.85 : 825,959,272.28 = 414,590,618.85 : x
  2. Step 2: Convert to fraction form
    550,639,514.85/825,959,272.28 = 414,590,618.85/x
  3. Step 3: Cross multiply
    550,639,514.85x = 825,959,272.28 × 414,590,618.85
  4. Step 4: Simplify right side
    550,639,514.85x = 342,434,965,837,387,904
  5. Step 5: Solve for x
    x = 342,434,965,837,387,904/550,639,514.85
  6. Step 6: Final answer
    x = 621,885,928.28

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Double scale
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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.