Home / 265,538,428.20-398,307,642.30-248,532,316.20

Finding the Fourth Proportional to 265,538,428.20, 398,307,642.30 and 248,532,316.20

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Solution

The fourth proportional to 265,538,428.20, 398,307,642.30 and 248,532,316.20 is: 372,798,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,538,428.20 : 398,307,642.30 = 248,532,316.20 : x
  2. Step 2: Convert to fraction form
    265,538,428.20/398,307,642.30 = 248,532,316.20/x
  3. Step 3: Cross multiply
    265,538,428.20x = 398,307,642.30 × 248,532,316.20
  4. Step 4: Simplify right side
    265,538,428.20x = 98,992,320,900,980,096
  5. Step 5: Solve for x
    x = 98,992,320,900,980,096/265,538,428.20
  6. Step 6: Final answer
    x = 372,798,474.30

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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.