Home / 500,280,211.44-690,386,757.30-277,276,290.39

Finding the Fourth Proportional to 500,280,211.44, 690,386,757.30 and 277,276,290.39

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Solution

The fourth proportional to 500,280,211.44, 690,386,757.30 and 277,276,290.39 is: 382,641,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,280,211.44 : 690,386,757.30 = 277,276,290.39 : x
  2. Step 2: Convert to fraction form
    500,280,211.44/690,386,757.30 = 277,276,290.39/x
  3. Step 3: Cross multiply
    500,280,211.44x = 690,386,757.30 × 277,276,290.39
  4. Step 4: Simplify right side
    500,280,211.44x = 191,427,878,998,525,216
  5. Step 5: Solve for x
    x = 191,427,878,998,525,216/500,280,211.44
  6. Step 6: Final answer
    x = 382,641,317.05

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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.