Home / 257,414,643.10-386,121,964.65-257,414,643.10

Finding the Fourth Proportional to 257,414,643.10, 386,121,964.65 and 257,414,643.10

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Solution

The fourth proportional to 257,414,643.10, 386,121,964.65 and 257,414,643.10 is: 386,121,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,414,643.10 : 386,121,964.65 = 257,414,643.10 : x
  2. Step 2: Convert to fraction form
    257,414,643.10/386,121,964.65 = 257,414,643.10/x
  3. Step 3: Cross multiply
    257,414,643.10x = 386,121,964.65 × 257,414,643.10
  4. Step 4: Simplify right side
    257,414,643.10x = 99,393,447,723,450,560
  5. Step 5: Solve for x
    x = 99,393,447,723,450,560/257,414,643.10
  6. Step 6: Final answer
    x = 386,121,964.65

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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.