Home / 18,997,363,860.80-28,496,265,143.52-5,732,737,006.40

Finding the Fourth Proportional to 18,997,363,860.80, 28,496,265,143.52 and 5,732,737,006.40

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Solution

The fourth proportional to 18,997,363,860.80, 28,496,265,143.52 and 5,732,737,006.40 is: 8,599,171,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997,363,860.80 : 28,496,265,143.52 = 5,732,737,006.40 : x
  2. Step 2: Convert to fraction form
    18,997,363,860.80/28,496,265,143.52 = 5,732,737,006.40/x
  3. Step 3: Cross multiply
    18,997,363,860.80x = 28,496,265,143.52 × 5,732,737,006.40
  4. Step 4: Simplify right side
    18,997,363,860.80x = 163,361,593,732,443,504,640
  5. Step 5: Solve for x
    x = 163,361,593,732,443,504,640/18,997,363,860.80
  6. Step 6: Final answer
    x = 8,599,171,702.42

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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.