Home / 31,177,890,934.20-46,766,836,401.30-19,193,683,807.80

Finding the Fourth Proportional to 31,177,890,934.20, 46,766,836,401.30 and 19,193,683,807.80

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Solution

The fourth proportional to 31,177,890,934.20, 46,766,836,401.30 and 19,193,683,807.80 is: 28,790,525,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,890,934.20 : 46,766,836,401.30 = 19,193,683,807.80 : x
  2. Step 2: Convert to fraction form
    31,177,890,934.20/46,766,836,401.30 = 19,193,683,807.80/x
  3. Step 3: Cross multiply
    31,177,890,934.20x = 46,766,836,401.30 × 19,193,683,807.80
  4. Step 4: Simplify right side
    31,177,890,934.20x = 897,627,870,577,663,410,176
  5. Step 5: Solve for x
    x = 897,627,870,577,663,410,176/31,177,890,934.20
  6. Step 6: Final answer
    x = 28,790,525,711.70

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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.