Home / 646,836,240.33-892,634,011.65-368,403,671.61

Finding the Fourth Proportional to 646,836,240.33, 892,634,011.65 and 368,403,671.61

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Solution

The fourth proportional to 646,836,240.33, 892,634,011.65 and 368,403,671.61 is: 508,397,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,836,240.33 : 892,634,011.65 = 368,403,671.61 : x
  2. Step 2: Convert to fraction form
    646,836,240.33/892,634,011.65 = 368,403,671.61/x
  3. Step 3: Cross multiply
    646,836,240.33x = 892,634,011.65 × 368,403,671.61
  4. Step 4: Simplify right side
    646,836,240.33x = 328,849,647,295,823,488
  5. Step 5: Solve for x
    x = 328,849,647,295,823,488/646,836,240.33
  6. Step 6: Final answer
    x = 508,397,066.82

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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.