Home / 348,020,030.25-480,280,269.24-199,369,880.82

Finding the Fourth Proportional to 348,020,030.25, 480,280,269.24 and 199,369,880.82

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Solution

The fourth proportional to 348,020,030.25, 480,280,269.24 and 199,369,880.82 is: 275,137,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,020,030.25 : 480,280,269.24 = 199,369,880.82 : x
  2. Step 2: Convert to fraction form
    348,020,030.25/480,280,269.24 = 199,369,880.82/x
  3. Step 3: Cross multiply
    348,020,030.25x = 480,280,269.24 × 199,369,880.82
  4. Step 4: Simplify right side
    348,020,030.25x = 95,753,420,038,576,304
  5. Step 5: Solve for x
    x = 95,753,420,038,576,304/348,020,030.25
  6. Step 6: Final answer
    x = 275,137,669.43

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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.