Home / 474,955,521.48-711,936,044.82-198,764,977.68

Finding the Fourth Proportional to 474,955,521.48, 711,936,044.82 and 198,764,977.68

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Solution

The fourth proportional to 474,955,521.48, 711,936,044.82 and 198,764,977.68 is: 297,939,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,955,521.48 : 711,936,044.82 = 198,764,977.68 : x
  2. Step 2: Convert to fraction form
    474,955,521.48/711,936,044.82 = 198,764,977.68/x
  3. Step 3: Cross multiply
    474,955,521.48x = 711,936,044.82 × 198,764,977.68
  4. Step 4: Simplify right side
    474,955,521.48x = 141,507,952,058,234,800
  5. Step 5: Solve for x
    x = 141,507,952,058,234,800/474,955,521.48
  6. Step 6: Final answer
    x = 297,939,376.76

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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.