Home / 567,537,985.66-783,202,073.79-306,777,601.66

Finding the Fourth Proportional to 567,537,985.66, 783,202,073.79 and 306,777,601.66

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Solution

The fourth proportional to 567,537,985.66, 783,202,073.79 and 306,777,601.66 is: 423,352,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,537,985.66 : 783,202,073.79 = 306,777,601.66 : x
  2. Step 2: Convert to fraction form
    567,537,985.66/783,202,073.79 = 306,777,601.66/x
  3. Step 3: Cross multiply
    567,537,985.66x = 783,202,073.79 × 306,777,601.66
  4. Step 4: Simplify right side
    567,537,985.66x = 240,268,853,812,434,560
  5. Step 5: Solve for x
    x = 240,268,853,812,434,560/567,537,985.66
  6. Step 6: Final answer
    x = 423,352,903.04

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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.