Home / 445,753,957.86-668,630,045.79-118,262,297.34

Finding the Fourth Proportional to 445,753,957.86, 668,630,045.79 and 118,262,297.34

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Solution

The fourth proportional to 445,753,957.86, 668,630,045.79 and 118,262,297.34 is: 177,393,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,753,957.86 : 668,630,045.79 = 118,262,297.34 : x
  2. Step 2: Convert to fraction form
    445,753,957.86/668,630,045.79 = 118,262,297.34/x
  3. Step 3: Cross multiply
    445,753,957.86x = 668,630,045.79 × 118,262,297.34
  4. Step 4: Simplify right side
    445,753,957.86x = 79,073,725,285,674,800
  5. Step 5: Solve for x
    x = 79,073,725,285,674,800/445,753,957.86
  6. Step 6: Final answer
    x = 177,393,209.62

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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.