Home / 274,913,021.40-379,387,859.94-167,628,631.92

Finding the Fourth Proportional to 274,913,021.40, 379,387,859.94 and 167,628,631.92

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Solution

The fourth proportional to 274,913,021.40, 379,387,859.94 and 167,628,631.92 is: 231,332,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,913,021.40 : 379,387,859.94 = 167,628,631.92 : x
  2. Step 2: Convert to fraction form
    274,913,021.40/379,387,859.94 = 167,628,631.92/x
  3. Step 3: Cross multiply
    274,913,021.40x = 379,387,859.94 × 167,628,631.92
  4. Step 4: Simplify right side
    274,913,021.40x = 63,596,267,928,798,768
  5. Step 5: Solve for x
    x = 63,596,267,928,798,768/274,913,021.40
  6. Step 6: Final answer
    x = 231,332,323.24

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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.