Home / 79,180,778,192.71-109,273,399,766.78-49,116,948,246.32

Finding the Fourth Proportional to 79,180,778,192.71, 109,273,399,766.78 and 49,116,948,246.32

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Solution

The fourth proportional to 79,180,778,192.71, 109,273,399,766.78 and 49,116,948,246.32 is: 67,783,823,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180,778,192.71 : 109,273,399,766.78 = 49,116,948,246.32 : x
  2. Step 2: Convert to fraction form
    79,180,778,192.71/109,273,399,766.78 = 49,116,948,246.32/x
  3. Step 3: Cross multiply
    79,180,778,192.71x = 109,273,399,766.78 × 49,116,948,246.32
  4. Step 4: Simplify right side
    79,180,778,192.71x = 5,367,175,921,043,931,922,432
  5. Step 5: Solve for x
    x = 5,367,175,921,043,931,922,432/79,180,778,192.71
  6. Step 6: Final answer
    x = 67,783,823,846.50

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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.