Home / 400,708,140.69-552,963,864.60-222,084,417.27

Finding the Fourth Proportional to 400,708,140.69, 552,963,864.60 and 222,084,417.27

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Solution

The fourth proportional to 400,708,140.69, 552,963,864.60 and 222,084,417.27 is: 306,469,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,708,140.69 : 552,963,864.60 = 222,084,417.27 : x
  2. Step 2: Convert to fraction form
    400,708,140.69/552,963,864.60 = 222,084,417.27/x
  3. Step 3: Cross multiply
    400,708,140.69x = 552,963,864.60 × 222,084,417.27
  4. Step 4: Simplify right side
    400,708,140.69x = 122,804,657,641,058,192
  5. Step 5: Solve for x
    x = 122,804,657,641,058,192/400,708,140.69
  6. Step 6: Final answer
    x = 306,469,086.03

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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.