Home / 374,579,989,936.34-516,831,789,278.44-211,999,635,782.26

Finding the Fourth Proportional to 374,579,989,936.34, 516,831,789,278.44 and 211,999,635,782.26

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Solution

The fourth proportional to 374,579,989,936.34, 516,831,789,278.44 and 211,999,635,782.26 is: 292,509,354,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,579,989,936.34 : 516,831,789,278.44 = 211,999,635,782.26 : x
  2. Step 2: Convert to fraction form
    374,579,989,936.34/516,831,789,278.44 = 211,999,635,782.26/x
  3. Step 3: Cross multiply
    374,579,989,936.34x = 516,831,789,278.44 × 211,999,635,782.26
  4. Step 4: Simplify right side
    374,579,989,936.34x = 109,568,151,087,723,027,890,176
  5. Step 5: Solve for x
    x = 109,568,151,087,723,027,890,176/374,579,989,936.34
  6. Step 6: Final answer
    x = 292,509,354,560.94

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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.