Home / 666,858,730.59-1,000,197,289.22-175,530,857.31

Finding the Fourth Proportional to 666,858,730.59, 1,000,197,289.22 and 175,530,857.31

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Solution

The fourth proportional to 666,858,730.59, 1,000,197,289.22 and 175,530,857.31 is: 263,272,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,858,730.59 : 1,000,197,289.22 = 175,530,857.31 : x
  2. Step 2: Convert to fraction form
    666,858,730.59/1,000,197,289.22 = 175,530,857.31/x
  3. Step 3: Cross multiply
    666,858,730.59x = 1,000,197,289.22 × 175,530,857.31
  4. Step 4: Simplify right side
    666,858,730.59x = 175,565,487,655,046,976
  5. Step 5: Solve for x
    x = 175,565,487,655,046,976/666,858,730.59
  6. Step 6: Final answer
    x = 263,272,383.79

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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.