Home / 401,130,577.70-553,356,470.30-261,982,790.18

Finding the Fourth Proportional to 401,130,577.70, 553,356,470.30 and 261,982,790.18

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Solution

The fourth proportional to 401,130,577.70, 553,356,470.30 and 261,982,790.18 is: 361,403,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,130,577.70 : 553,356,470.30 = 261,982,790.18 : x
  2. Step 2: Convert to fraction form
    401,130,577.70/553,356,470.30 = 261,982,790.18/x
  3. Step 3: Cross multiply
    401,130,577.70x = 553,356,470.30 × 261,982,790.18
  4. Step 4: Simplify right side
    401,130,577.70x = 144,969,872,055,388,640
  5. Step 5: Solve for x
    x = 144,969,872,055,388,640/401,130,577.70
  6. Step 6: Final answer
    x = 361,403,194.16

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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.