Home / 701,612,864,991.31-968,200,697,496.68-397,111,982,676.07

Finding the Fourth Proportional to 701,612,864,991.31, 968,200,697,496.68 and 397,111,982,676.07

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Solution

The fourth proportional to 701,612,864,991.31, 968,200,697,496.68 and 397,111,982,676.07 is: 548,000,354,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,612,864,991.31 : 968,200,697,496.68 = 397,111,982,676.07 : x
  2. Step 2: Convert to fraction form
    701,612,864,991.31/968,200,697,496.68 = 397,111,982,676.07/x
  3. Step 3: Cross multiply
    701,612,864,991.31x = 968,200,697,496.68 × 397,111,982,676.07
  4. Step 4: Simplify right side
    701,612,864,991.31x = 384,484,098,611,260,533,243,904
  5. Step 5: Solve for x
    x = 384,484,098,611,260,533,243,904/701,612,864,991.31
  6. Step 6: Final answer
    x = 548,000,354,320.79

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Double scale
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1.5x scale

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.