Home / 862,073,244.75-1,293,121,064.57-287,644,572.75

Finding the Fourth Proportional to 862,073,244.75, 1,293,121,064.57 and 287,644,572.75

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Solution

The fourth proportional to 862,073,244.75, 1,293,121,064.57 and 287,644,572.75 is: 431,470,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,073,244.75 : 1,293,121,064.57 = 287,644,572.75 : x
  2. Step 2: Convert to fraction form
    862,073,244.75/1,293,121,064.57 = 287,644,572.75/x
  3. Step 3: Cross multiply
    862,073,244.75x = 1,293,121,064.57 × 287,644,572.75
  4. Step 4: Simplify right side
    862,073,244.75x = 371,959,256,130,824,576
  5. Step 5: Solve for x
    x = 371,959,256,130,824,576/862,073,244.75
  6. Step 6: Final answer
    x = 431,470,595.33

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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.