Home / 910,631,025.12-1,365,941,969.28-220,538,260.56

Finding the Fourth Proportional to 910,631,025.12, 1,365,941,969.28 and 220,538,260.56

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Solution

The fourth proportional to 910,631,025.12, 1,365,941,969.28 and 220,538,260.56 is: 330,806,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,631,025.12 : 1,365,941,969.28 = 220,538,260.56 : x
  2. Step 2: Convert to fraction form
    910,631,025.12/1,365,941,969.28 = 220,538,260.56/x
  3. Step 3: Cross multiply
    910,631,025.12x = 1,365,941,969.28 × 220,538,260.56
  4. Step 4: Simplify right side
    910,631,025.12x = 301,242,465,930,912,128
  5. Step 5: Solve for x
    x = 301,242,465,930,912,128/910,631,025.12
  6. Step 6: Final answer
    x = 330,806,284.46

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1.5x scale

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.