Home / 277,195,729,890.72-415,077,503,870.88-191,310,994,219.26

Finding the Fourth Proportional to 277,195,729,890.72, 415,077,503,870.88 and 191,310,994,219.26

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Solution

The fourth proportional to 277,195,729,890.72, 415,077,503,870.88 and 191,310,994,219.26 is: 286,472,269,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,195,729,890.72 : 415,077,503,870.88 = 191,310,994,219.26 : x
  2. Step 2: Convert to fraction form
    277,195,729,890.72/415,077,503,870.88 = 191,310,994,219.26/x
  3. Step 3: Cross multiply
    277,195,729,890.72x = 415,077,503,870.88 × 191,310,994,219.26
  4. Step 4: Simplify right side
    277,195,729,890.72x = 79,408,889,943,586,798,305,280
  5. Step 5: Solve for x
    x = 79,408,889,943,586,798,305,280/277,195,729,890.72
  6. Step 6: Final answer
    x = 286,472,269,882.70

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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.