Home / 3,677,921,619.30-5,078,423,766.78-2,961,180,418.50

Finding the Fourth Proportional to 3,677,921,619.30, 5,078,423,766.78 and 2,961,180,418.50

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Solution

The fourth proportional to 3,677,921,619.30, 5,078,423,766.78 and 2,961,180,418.50 is: 4,088,757,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677,921,619.30 : 5,078,423,766.78 = 2,961,180,418.50 : x
  2. Step 2: Convert to fraction form
    3,677,921,619.30/5,078,423,766.78 = 2,961,180,418.50/x
  3. Step 3: Cross multiply
    3,677,921,619.30x = 5,078,423,766.78 × 2,961,180,418.50
  4. Step 4: Simplify right side
    3,677,921,619.30x = 15,038,129,015,033,946,112
  5. Step 5: Solve for x
    x = 15,038,129,015,033,946,112/3,677,921,619.30
  6. Step 6: Final answer
    x = 4,088,757,339.50

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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.