Home / 646,836,720.18-892,634,677.91-368,404,151.46

Finding the Fourth Proportional to 646,836,720.18, 892,634,677.91 and 368,404,151.46

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Solution

The fourth proportional to 646,836,720.18, 892,634,677.91 and 368,404,151.46 is: 508,397,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,836,720.18 : 892,634,677.91 = 368,404,151.46 : x
  2. Step 2: Convert to fraction form
    646,836,720.18/892,634,677.91 = 368,404,151.46/x
  3. Step 3: Cross multiply
    646,836,720.18x = 892,634,677.91 × 368,404,151.46
  4. Step 4: Simplify right side
    646,836,720.18x = 328,850,321,079,203,904
  5. Step 5: Solve for x
    x = 328,850,321,079,203,904/646,836,720.18
  6. Step 6: Final answer
    x = 508,397,731.33

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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.