Home / 402,026,372.55-554,809,850.73-223,417,788.57

Finding the Fourth Proportional to 402,026,372.55, 554,809,850.73 and 223,417,788.57

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Solution

The fourth proportional to 402,026,372.55, 554,809,850.73 and 223,417,788.57 is: 308,324,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,026,372.55 : 554,809,850.73 = 223,417,788.57 : x
  2. Step 2: Convert to fraction form
    402,026,372.55/554,809,850.73 = 223,417,788.57/x
  3. Step 3: Cross multiply
    402,026,372.55x = 554,809,850.73 × 223,417,788.57
  4. Step 4: Simplify right side
    402,026,372.55x = 123,954,389,926,948,400
  5. Step 5: Solve for x
    x = 123,954,389,926,948,400/402,026,372.55
  6. Step 6: Final answer
    x = 308,324,026.46

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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.