Home / 1,168,909,949.59-1,753,590,509.79-381,751,984.19

Finding the Fourth Proportional to 1,168,909,949.59, 1,753,590,509.79 and 381,751,984.19

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Solution

The fourth proportional to 1,168,909,949.59, 1,753,590,509.79 and 381,751,984.19 is: 572,701,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,909,949.59 : 1,753,590,509.79 = 381,751,984.19 : x
  2. Step 2: Convert to fraction form
    1,168,909,949.59/1,753,590,509.79 = 381,751,984.19/x
  3. Step 3: Cross multiply
    1,168,909,949.59x = 1,753,590,509.79 × 381,751,984.19
  4. Step 4: Simplify right side
    1,168,909,949.59x = 669,436,656,576,383,232
  5. Step 5: Solve for x
    x = 669,436,656,576,383,232/1,168,909,949.59
  6. Step 6: Final answer
    x = 572,701,649.78

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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.