Home / 7,098,989,171.58-9,796,893,511.12-3,927,118,401.98

Finding the Fourth Proportional to 7,098,989,171.58, 9,796,893,511.12 and 3,927,118,401.98

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Solution

The fourth proportional to 7,098,989,171.58, 9,796,893,511.12 and 3,927,118,401.98 is: 5,419,582,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,989,171.58 : 9,796,893,511.12 = 3,927,118,401.98 : x
  2. Step 2: Convert to fraction form
    7,098,989,171.58/9,796,893,511.12 = 3,927,118,401.98/x
  3. Step 3: Cross multiply
    7,098,989,171.58x = 9,796,893,511.12 × 3,927,118,401.98
  4. Step 4: Simplify right side
    7,098,989,171.58x = 38,473,560,789,757,812,736
  5. Step 5: Solve for x
    x = 38,473,560,789,757,812,736/7,098,989,171.58
  6. Step 6: Final answer
    x = 5,419,582,965.95

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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.