Home / 353,943,730.51-488,471,428.71-195,204,900.94

Finding the Fourth Proportional to 353,943,730.51, 488,471,428.71 and 195,204,900.94

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Solution

The fourth proportional to 353,943,730.51, 488,471,428.71 and 195,204,900.94 is: 269,398,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,943,730.51 : 488,471,428.71 = 195,204,900.94 : x
  2. Step 2: Convert to fraction form
    353,943,730.51/488,471,428.71 = 195,204,900.94/x
  3. Step 3: Cross multiply
    353,943,730.51x = 488,471,428.71 × 195,204,900.94
  4. Step 4: Simplify right side
    353,943,730.51x = 95,352,016,853,355,824
  5. Step 5: Solve for x
    x = 95,352,016,853,355,824/353,943,730.51
  6. Step 6: Final answer
    x = 269,398,801.66

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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.