Home / 501,914,718,335.79-753,019,789,131.90-161,947,518,732.64

Finding the Fourth Proportional to 501,914,718,335.79, 753,019,789,131.90 and 161,947,518,732.64

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Solution

The fourth proportional to 501,914,718,335.79, 753,019,789,131.90 and 161,947,518,732.64 is: 242,968,938,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,914,718,335.79 : 753,019,789,131.90 = 161,947,518,732.64 : x
  2. Step 2: Convert to fraction form
    501,914,718,335.79/753,019,789,131.90 = 161,947,518,732.64/x
  3. Step 3: Cross multiply
    501,914,718,335.79x = 753,019,789,131.90 × 161,947,518,732.64
  4. Step 4: Simplify right side
    501,914,718,335.79x = 121,949,686,406,487,008,608,256
  5. Step 5: Solve for x
    x = 121,949,686,406,487,008,608,256/501,914,718,335.79
  6. Step 6: Final answer
    x = 242,968,938,649.26

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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.