Home / 507,541,451.92-761,164,484.20-196,579,711.88

Finding the Fourth Proportional to 507,541,451.92, 761,164,484.20 and 196,579,711.88

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Solution

The fourth proportional to 507,541,451.92, 761,164,484.20 and 196,579,711.88 is: 294,812,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,541,451.92 : 761,164,484.20 = 196,579,711.88 : x
  2. Step 2: Convert to fraction form
    507,541,451.92/761,164,484.20 = 196,579,711.88/x
  3. Step 3: Cross multiply
    507,541,451.92x = 761,164,484.20 × 196,579,711.88
  4. Step 4: Simplify right side
    507,541,451.92x = 149,629,494,997,324,832
  5. Step 5: Solve for x
    x = 149,629,494,997,324,832/507,541,451.92
  6. Step 6: Final answer
    x = 294,812,363.47

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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.