Home / 379,017,280.29-522,954,208.62-220,153,008.18

Finding the Fourth Proportional to 379,017,280.29, 522,954,208.62 and 220,153,008.18

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Solution

The fourth proportional to 379,017,280.29, 522,954,208.62 and 220,153,008.18 is: 303,759,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,017,280.29 : 522,954,208.62 = 220,153,008.18 : x
  2. Step 2: Convert to fraction form
    379,017,280.29/522,954,208.62 = 220,153,008.18/x
  3. Step 3: Cross multiply
    379,017,280.29x = 522,954,208.62 × 220,153,008.18
  4. Step 4: Simplify right side
    379,017,280.29x = 115,129,942,168,084,288
  5. Step 5: Solve for x
    x = 115,129,942,168,084,288/379,017,280.29
  6. Step 6: Final answer
    x = 303,759,084.76

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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.