Home / 190,780,612,377.72-263,277,246,560.93-105,141,579,087.76

Finding the Fourth Proportional to 190,780,612,377.72, 263,277,246,560.93 and 105,141,579,087.76

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Solution

The fourth proportional to 190,780,612,377.72, 263,277,246,560.93 and 105,141,579,087.76 is: 145,095,379,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,780,612,377.72 : 263,277,246,560.93 = 105,141,579,087.76 : x
  2. Step 2: Convert to fraction form
    190,780,612,377.72/263,277,246,560.93 = 105,141,579,087.76/x
  3. Step 3: Cross multiply
    190,780,612,377.72x = 263,277,246,560.93 × 105,141,579,087.76
  4. Step 4: Simplify right side
    190,780,612,377.72x = 27,681,385,441,293,710,131,200
  5. Step 5: Solve for x
    x = 27,681,385,441,293,710,131,200/190,780,612,377.72
  6. Step 6: Final answer
    x = 145,095,379,956.58

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1.5x scale

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.