Home / 401,954,659.97-602,789,304.65-117,934,561.30

Finding the Fourth Proportional to 401,954,659.97, 602,789,304.65 and 117,934,561.30

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Solution

The fourth proportional to 401,954,659.97, 602,789,304.65 and 117,934,561.30 is: 176,859,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,954,659.97 : 602,789,304.65 = 117,934,561.30 : x
  2. Step 2: Convert to fraction form
    401,954,659.97/602,789,304.65 = 117,934,561.30/x
  3. Step 3: Cross multiply
    401,954,659.97x = 602,789,304.65 × 117,934,561.30
  4. Step 4: Simplify right side
    401,954,659.97x = 71,089,692,197,215,848
  5. Step 5: Solve for x
    x = 71,089,692,197,215,848/401,954,659.97
  6. Step 6: Final answer
    x = 176,859,977.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.