Home / 70,240,376,083.50-105,381,261,193.41-28,295,657,439.66

Finding the Fourth Proportional to 70,240,376,083.50, 105,381,261,193.41 and 28,295,657,439.66

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Solution

The fourth proportional to 70,240,376,083.50, 105,381,261,193.41 and 28,295,657,439.66 is: 42,451,823,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240,376,083.50 : 105,381,261,193.41 = 28,295,657,439.66 : x
  2. Step 2: Convert to fraction form
    70,240,376,083.50/105,381,261,193.41 = 28,295,657,439.66/x
  3. Step 3: Cross multiply
    70,240,376,083.50x = 105,381,261,193.41 × 28,295,657,439.66
  4. Step 4: Simplify right side
    70,240,376,083.50x = 2,981,832,067,288,065,376,256
  5. Step 5: Solve for x
    x = 2,981,832,067,288,065,376,256/70,240,376,083.50
  6. Step 6: Final answer
    x = 42,451,823,773.60

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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.