Home / 522,559,943.52-783,856,892.34-154,063,994.28

Finding the Fourth Proportional to 522,559,943.52, 783,856,892.34 and 154,063,994.28

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Solution

The fourth proportional to 522,559,943.52, 783,856,892.34 and 154,063,994.28 is: 231,100,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,559,943.52 : 783,856,892.34 = 154,063,994.28 : x
  2. Step 2: Convert to fraction form
    522,559,943.52/783,856,892.34 = 154,063,994.28/x
  3. Step 3: Cross multiply
    522,559,943.52x = 783,856,892.34 × 154,063,994.28
  4. Step 4: Simplify right side
    522,559,943.52x = 120,764,123,777,808,336
  5. Step 5: Solve for x
    x = 120,764,123,777,808,336/522,559,943.52
  6. Step 6: Final answer
    x = 231,100,996.69

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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.