Home / 3,880,611,709.72-5,818,791,800.52-1,911,133,879

Finding the Fourth Proportional to 3,880,611,709.72, 5,818,791,800.52 and 1,911,133,879

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Solution

The fourth proportional to 3,880,611,709.72, 5,818,791,800.52 and 1,911,133,879 is: 2,865,653,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,611,709.72 : 5,818,791,800.52 = 1,911,133,879 : x
  2. Step 2: Convert to fraction form
    3,880,611,709.72/5,818,791,800.52 = 1,911,133,879/x
  3. Step 3: Cross multiply
    3,880,611,709.72x = 5,818,791,800.52 × 1,911,133,879
  4. Step 4: Simplify right side
    3,880,611,709.72x = 11,120,490,144,821,182,464
  5. Step 5: Solve for x
    x = 11,120,490,144,821,182,464/3,880,611,709.72
  6. Step 6: Final answer
    x = 2,865,653,916.62

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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.