Home / 3,880,611,716.20-5,818,791,810.27-1,911,133,885.48

Finding the Fourth Proportional to 3,880,611,716.20, 5,818,791,810.27 and 1,911,133,885.48

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Solution

The fourth proportional to 3,880,611,716.20, 5,818,791,810.27 and 1,911,133,885.48 is: 2,865,653,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,611,716.20 : 5,818,791,810.27 = 1,911,133,885.48 : x
  2. Step 2: Convert to fraction form
    3,880,611,716.20/5,818,791,810.27 = 1,911,133,885.48/x
  3. Step 3: Cross multiply
    3,880,611,716.20x = 5,818,791,810.27 × 1,911,133,885.48
  4. Step 4: Simplify right side
    3,880,611,716.20x = 11,120,490,201,160,509,440
  5. Step 5: Solve for x
    x = 11,120,490,201,160,509,440/3,880,611,716.20
  6. Step 6: Final answer
    x = 2,865,653,926.35

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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.