Home / 375,389,289.22-518,067,896.61-208,177,917.70

Finding the Fourth Proportional to 375,389,289.22, 518,067,896.61 and 208,177,917.70

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Solution

The fourth proportional to 375,389,289.22, 518,067,896.61 and 208,177,917.70 is: 287,302,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,389,289.22 : 518,067,896.61 = 208,177,917.70 : x
  2. Step 2: Convert to fraction form
    375,389,289.22/518,067,896.61 = 208,177,917.70/x
  3. Step 3: Cross multiply
    375,389,289.22x = 518,067,896.61 × 208,177,917.70
  4. Step 4: Simplify right side
    375,389,289.22x = 107,850,295,943,488,688
  5. Step 5: Solve for x
    x = 107,850,295,943,488,688/375,389,289.22
  6. Step 6: Final answer
    x = 287,302,539.10

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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.