Home / 464,354,293.28-640,789,712.32-252,661,995.24

Finding the Fourth Proportional to 464,354,293.28, 640,789,712.32 and 252,661,995.24

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Solution

The fourth proportional to 464,354,293.28, 640,789,712.32 and 252,661,995.24 is: 348,663,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,354,293.28 : 640,789,712.32 = 252,661,995.24 : x
  2. Step 2: Convert to fraction form
    464,354,293.28/640,789,712.32 = 252,661,995.24/x
  3. Step 3: Cross multiply
    464,354,293.28x = 640,789,712.32 × 252,661,995.24
  4. Step 4: Simplify right side
    464,354,293.28x = 161,903,207,244,036,832
  5. Step 5: Solve for x
    x = 161,903,207,244,036,832/464,354,293.28
  6. Step 6: Final answer
    x = 348,663,099.68

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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.