Home / 840,565,915,692.52-1,159,982,082,286.80-455,190,926,161.80

Finding the Fourth Proportional to 840,565,915,692.52, 1,159,982,082,286.80 and 455,190,926,161.80

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Solution

The fourth proportional to 840,565,915,692.52, 1,159,982,082,286.80 and 455,190,926,161.80 is: 628,164,083,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,565,915,692.52 : 1,159,982,082,286.80 = 455,190,926,161.80 : x
  2. Step 2: Convert to fraction form
    840,565,915,692.52/1,159,982,082,286.80 = 455,190,926,161.80/x
  3. Step 3: Cross multiply
    840,565,915,692.52x = 1,159,982,082,286.80 × 455,190,926,161.80
  4. Step 4: Simplify right side
    840,565,915,692.52x = 528,013,318,367,221,773,238,272
  5. Step 5: Solve for x
    x = 528,013,318,367,221,773,238,272/840,565,915,692.52
  6. Step 6: Final answer
    x = 628,164,083,874.62

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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.