Home / 512,039,849.57-706,442,017.21-333,342,370.45

Finding the Fourth Proportional to 512,039,849.57, 706,442,017.21 and 333,342,370.45

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Solution

The fourth proportional to 512,039,849.57, 706,442,017.21 and 333,342,370.45 is: 459,899,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,039,849.57 : 706,442,017.21 = 333,342,370.45 : x
  2. Step 2: Convert to fraction form
    512,039,849.57/706,442,017.21 = 333,342,370.45/x
  3. Step 3: Cross multiply
    512,039,849.57x = 706,442,017.21 × 333,342,370.45
  4. Step 4: Simplify right side
    512,039,849.57x = 235,487,056,602,261,088
  5. Step 5: Solve for x
    x = 235,487,056,602,261,088/512,039,849.57
  6. Step 6: Final answer
    x = 459,899,862.87

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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.