Home / 862,073,246.25-1,293,121,066.82-287,644,574.25

Finding the Fourth Proportional to 862,073,246.25, 1,293,121,066.82 and 287,644,574.25

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Solution

The fourth proportional to 862,073,246.25, 1,293,121,066.82 and 287,644,574.25 is: 431,470,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,073,246.25 : 1,293,121,066.82 = 287,644,574.25 : x
  2. Step 2: Convert to fraction form
    862,073,246.25/1,293,121,066.82 = 287,644,574.25/x
  3. Step 3: Cross multiply
    862,073,246.25x = 1,293,121,066.82 × 287,644,574.25
  4. Step 4: Simplify right side
    862,073,246.25x = 371,959,258,717,706,496
  5. Step 5: Solve for x
    x = 371,959,258,717,706,496/862,073,246.25
  6. Step 6: Final answer
    x = 431,470,597.58

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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.