Home / 381,874,237,296.80-572,653,757,034.80-130,355,690,230.40

Finding the Fourth Proportional to 381,874,237,296.80, 572,653,757,034.80 and 130,355,690,230.40

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Solution

The fourth proportional to 381,874,237,296.80, 572,653,757,034.80 and 130,355,690,230.40 is: 195,479,737,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,874,237,296.80 : 572,653,757,034.80 = 130,355,690,230.40 : x
  2. Step 2: Convert to fraction form
    381,874,237,296.80/572,653,757,034.80 = 130,355,690,230.40/x
  3. Step 3: Cross multiply
    381,874,237,296.80x = 572,653,757,034.80 × 130,355,690,230.40
  4. Step 4: Simplify right side
    381,874,237,296.80x = 74,648,675,761,303,140,171,776
  5. Step 5: Solve for x
    x = 74,648,675,761,303,140,171,776/381,874,237,296.80
  6. Step 6: Final answer
    x = 195,479,737,752.73

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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.