Home / 7,194,611,725.85-9,927,897,888.99-3,979,452,516.40

Finding the Fourth Proportional to 7,194,611,725.85, 9,927,897,888.99 and 3,979,452,516.40

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Solution

The fourth proportional to 7,194,611,725.85, 9,927,897,888.99 and 3,979,452,516.40 is: 5,491,275,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194,611,725.85 : 9,927,897,888.99 = 3,979,452,516.40 : x
  2. Step 2: Convert to fraction form
    7,194,611,725.85/9,927,897,888.99 = 3,979,452,516.40/x
  3. Step 3: Cross multiply
    7,194,611,725.85x = 9,927,897,888.99 × 3,979,452,516.40
  4. Step 4: Simplify right side
    7,194,611,725.85x = 39,507,598,236,903,505,920
  5. Step 5: Solve for x
    x = 39,507,598,236,903,505,920/7,194,611,725.85
  6. Step 6: Final answer
    x = 5,491,275,935.71

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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.