Home / 641,060,904,705.28-961,622,281,191.60-210,788,463,181.56

Finding the Fourth Proportional to 641,060,904,705.28, 961,622,281,191.60 and 210,788,463,181.56

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Solution

The fourth proportional to 641,060,904,705.28, 961,622,281,191.60 and 210,788,463,181.56 is: 316,192,862,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,060,904,705.28 : 961,622,281,191.60 = 210,788,463,181.56 : x
  2. Step 2: Convert to fraction form
    641,060,904,705.28/961,622,281,191.60 = 210,788,463,181.56/x
  3. Step 3: Cross multiply
    641,060,904,705.28x = 961,622,281,191.60 × 210,788,463,181.56
  4. Step 4: Simplify right side
    641,060,904,705.28x = 202,698,882,813,523,298,091,008
  5. Step 5: Solve for x
    x = 202,698,882,813,523,298,091,008/641,060,904,705.28
  6. Step 6: Final answer
    x = 316,192,862,995.93

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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.