Home / 352,746,822.06-486,817,845.03-211,623,327.90

Finding the Fourth Proportional to 352,746,822.06, 486,817,845.03 and 211,623,327.90

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Solution

The fourth proportional to 352,746,822.06, 486,817,845.03 and 211,623,327.90 is: 292,056,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,746,822.06 : 486,817,845.03 = 211,623,327.90 : x
  2. Step 2: Convert to fraction form
    352,746,822.06/486,817,845.03 = 211,623,327.90/x
  3. Step 3: Cross multiply
    352,746,822.06x = 486,817,845.03 × 211,623,327.90
  4. Step 4: Simplify right side
    352,746,822.06x = 103,022,012,446,355,072
  5. Step 5: Solve for x
    x = 103,022,012,446,355,072/352,746,822.06
  6. Step 6: Final answer
    x = 292,056,528.94

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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.