Home / 441,015,708.64-661,473,086.40-117,924,774.88

Finding the Fourth Proportional to 441,015,708.64, 661,473,086.40 and 117,924,774.88

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Solution

The fourth proportional to 441,015,708.64, 661,473,086.40 and 117,924,774.88 is: 176,873,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,015,708.64 : 661,473,086.40 = 117,924,774.88 : x
  2. Step 2: Convert to fraction form
    441,015,708.64/661,473,086.40 = 117,924,774.88/x
  3. Step 3: Cross multiply
    441,015,708.64x = 661,473,086.40 × 117,924,774.88
  4. Step 4: Simplify right side
    441,015,708.64x = 78,004,064,802,898,784
  5. Step 5: Solve for x
    x = 78,004,064,802,898,784/441,015,708.64
  6. Step 6: Final answer
    x = 176,873,665.21

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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.