Home / 699,841,481.32-965,810,584.85-402,483,955.65

Finding the Fourth Proportional to 699,841,481.32, 965,810,584.85 and 402,483,955.65

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Solution

The fourth proportional to 699,841,481.32, 965,810,584.85 and 402,483,955.65 is: 555,444,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,841,481.32 : 965,810,584.85 = 402,483,955.65 : x
  2. Step 2: Convert to fraction form
    699,841,481.32/965,810,584.85 = 402,483,955.65/x
  3. Step 3: Cross multiply
    699,841,481.32x = 965,810,584.85 × 402,483,955.65
  4. Step 4: Simplify right side
    699,841,481.32x = 388,723,264,599,067,968
  5. Step 5: Solve for x
    x = 388,723,264,599,067,968/699,841,481.32
  6. Step 6: Final answer
    x = 555,444,732.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.