Home / 783,947,493.06-1,081,876,089.24-426,698,004.66

Finding the Fourth Proportional to 783,947,493.06, 1,081,876,089.24 and 426,698,004.66

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Solution

The fourth proportional to 783,947,493.06, 1,081,876,089.24 and 426,698,004.66 is: 588,858,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,947,493.06 : 1,081,876,089.24 = 426,698,004.66 : x
  2. Step 2: Convert to fraction form
    783,947,493.06/1,081,876,089.24 = 426,698,004.66/x
  3. Step 3: Cross multiply
    783,947,493.06x = 1,081,876,089.24 × 426,698,004.66
  4. Step 4: Simplify right side
    783,947,493.06x = 461,634,368,568,072,128
  5. Step 5: Solve for x
    x = 461,634,368,568,072,128/783,947,493.06
  6. Step 6: Final answer
    x = 588,858,785.38

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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.