Home / 445,753,965.36-668,630,057.04-118,262,304.84

Finding the Fourth Proportional to 445,753,965.36, 668,630,057.04 and 118,262,304.84

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Solution

The fourth proportional to 445,753,965.36, 668,630,057.04 and 118,262,304.84 is: 177,393,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,753,965.36 : 668,630,057.04 = 118,262,304.84 : x
  2. Step 2: Convert to fraction form
    445,753,965.36/668,630,057.04 = 118,262,304.84/x
  3. Step 3: Cross multiply
    445,753,965.36x = 668,630,057.04 × 118,262,304.84
  4. Step 4: Simplify right side
    445,753,965.36x = 79,073,731,630,851,072
  5. Step 5: Solve for x
    x = 79,073,731,630,851,072/445,753,965.36
  6. Step 6: Final answer
    x = 177,393,220.87

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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.