Home / 1,317,904,134.84-1,976,971,096.26-432,323,974.44

Finding the Fourth Proportional to 1,317,904,134.84, 1,976,971,096.26 and 432,323,974.44

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Solution

The fourth proportional to 1,317,904,134.84, 1,976,971,096.26 and 432,323,974.44 is: 648,523,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,904,134.84 : 1,976,971,096.26 = 432,323,974.44 : x
  2. Step 2: Convert to fraction form
    1,317,904,134.84/1,976,971,096.26 = 432,323,974.44/x
  3. Step 3: Cross multiply
    1,317,904,134.84x = 1,976,971,096.26 × 432,323,974.44
  4. Step 4: Simplify right side
    1,317,904,134.84x = 854,692,001,688,126,976
  5. Step 5: Solve for x
    x = 854,692,001,688,126,976/1,317,904,134.84
  6. Step 6: Final answer
    x = 648,523,651.37

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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.