Home / 378,433,412.20-567,650,118.30-163,022,660.20

Finding the Fourth Proportional to 378,433,412.20, 567,650,118.30 and 163,022,660.20

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Solution

The fourth proportional to 378,433,412.20, 567,650,118.30 and 163,022,660.20 is: 244,533,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,433,412.20 : 567,650,118.30 = 163,022,660.20 : x
  2. Step 2: Convert to fraction form
    378,433,412.20/567,650,118.30 = 163,022,660.20/x
  3. Step 3: Cross multiply
    378,433,412.20x = 567,650,118.30 × 163,022,660.20
  4. Step 4: Simplify right side
    378,433,412.20x = 92,539,832,348,110,688
  5. Step 5: Solve for x
    x = 92,539,832,348,110,688/378,433,412.20
  6. Step 6: Final answer
    x = 244,533,990.30

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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.