Home / 642,175,826.18-963,265,534.96-199,583,224.32

Finding the Fourth Proportional to 642,175,826.18, 963,265,534.96 and 199,583,224.32

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Solution

The fourth proportional to 642,175,826.18, 963,265,534.96 and 199,583,224.32 is: 299,375,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,175,826.18 : 963,265,534.96 = 199,583,224.32 : x
  2. Step 2: Convert to fraction form
    642,175,826.18/963,265,534.96 = 199,583,224.32/x
  3. Step 3: Cross multiply
    642,175,826.18x = 963,265,534.96 × 199,583,224.32
  4. Step 4: Simplify right side
    642,175,826.18x = 192,251,641,348,206,752
  5. Step 5: Solve for x
    x = 192,251,641,348,206,752/642,175,826.18
  6. Step 6: Final answer
    x = 299,375,394.58

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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.