Home / 7,098,989,167.31-9,796,893,505.26-3,927,118,397.72

Finding the Fourth Proportional to 7,098,989,167.31, 9,796,893,505.26 and 3,927,118,397.72

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Solution

The fourth proportional to 7,098,989,167.31, 9,796,893,505.26 and 3,927,118,397.72 is: 5,419,582,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,989,167.31 : 9,796,893,505.26 = 3,927,118,397.72 : x
  2. Step 2: Convert to fraction form
    7,098,989,167.31/9,796,893,505.26 = 3,927,118,397.72/x
  3. Step 3: Cross multiply
    7,098,989,167.31x = 9,796,893,505.26 × 3,927,118,397.72
  4. Step 4: Simplify right side
    7,098,989,167.31x = 38,473,560,725,020,868,608
  5. Step 5: Solve for x
    x = 38,473,560,725,020,868,608/7,098,989,167.31
  6. Step 6: Final answer
    x = 5,419,582,960.09

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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.