Home / 408,786,228-564,130,943.79-232,570,430.73

Finding the Fourth Proportional to 408,786,228, 564,130,943.79 and 232,570,430.73

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Solution

The fourth proportional to 408,786,228, 564,130,943.79 and 232,570,430.73 is: 320,950,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,786,228 : 564,130,943.79 = 232,570,430.73 : x
  2. Step 2: Convert to fraction form
    408,786,228/564,130,943.79 = 232,570,430.73/x
  3. Step 3: Cross multiply
    408,786,228x = 564,130,943.79 × 232,570,430.73
  4. Step 4: Simplify right side
    408,786,228x = 131,200,176,585,361,696
  5. Step 5: Solve for x
    x = 131,200,176,585,361,696/408,786,228
  6. Step 6: Final answer
    x = 320,950,579.05

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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.