Home / 751,118,429.96-1,125,882,447.28-252,654,418.34

Finding the Fourth Proportional to 751,118,429.96, 1,125,882,447.28 and 252,654,418.34

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Solution

The fourth proportional to 751,118,429.96, 1,125,882,447.28 and 252,654,418.34 is: 378,714,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,118,429.96 : 1,125,882,447.28 = 252,654,418.34 : x
  2. Step 2: Convert to fraction form
    751,118,429.96/1,125,882,447.28 = 252,654,418.34/x
  3. Step 3: Cross multiply
    751,118,429.96x = 1,125,882,447.28 × 252,654,418.34
  4. Step 4: Simplify right side
    751,118,429.96x = 284,459,174,836,744,096
  5. Step 5: Solve for x
    x = 284,459,174,836,744,096/751,118,429.96
  6. Step 6: Final answer
    x = 378,714,146.12

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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.