Home / 378,700,548.60-522,693,757.98-222,118,099.32

Finding the Fourth Proportional to 378,700,548.60, 522,693,757.98 and 222,118,099.32

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Solution

The fourth proportional to 378,700,548.60, 522,693,757.98 and 222,118,099.32 is: 306,574,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,700,548.60 : 522,693,757.98 = 222,118,099.32 : x
  2. Step 2: Convert to fraction form
    378,700,548.60/522,693,757.98 = 222,118,099.32/x
  3. Step 3: Cross multiply
    378,700,548.60x = 522,693,757.98 × 222,118,099.32
  4. Step 4: Simplify right side
    378,700,548.60x = 116,099,744,048,945,680
  5. Step 5: Solve for x
    x = 116,099,744,048,945,680/378,700,548.60
  6. Step 6: Final answer
    x = 306,574,005.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.