Home / 292,479,695.28-403,386,631.56-257,121,900.72

Finding the Fourth Proportional to 292,479,695.28, 403,386,631.56 and 257,121,900.72

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Solution

The fourth proportional to 292,479,695.28, 403,386,631.56 and 257,121,900.72 is: 354,621,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,479,695.28 : 403,386,631.56 = 257,121,900.72 : x
  2. Step 2: Convert to fraction form
    292,479,695.28/403,386,631.56 = 257,121,900.72/x
  3. Step 3: Cross multiply
    292,479,695.28x = 403,386,631.56 × 257,121,900.72
  4. Step 4: Simplify right side
    292,479,695.28x = 103,719,537,431,745,536
  5. Step 5: Solve for x
    x = 103,719,537,431,745,536/292,479,695.28
  6. Step 6: Final answer
    x = 354,621,326.22

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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.