Home / 374,579,989,932.10-516,831,789,272.59-211,999,635,778.01

Finding the Fourth Proportional to 374,579,989,932.10, 516,831,789,272.59 and 211,999,635,778.01

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Solution

The fourth proportional to 374,579,989,932.10, 516,831,789,272.59 and 211,999,635,778.01 is: 292,509,354,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,579,989,932.10 : 516,831,789,272.59 = 211,999,635,778.01 : x
  2. Step 2: Convert to fraction form
    374,579,989,932.10/516,831,789,272.59 = 211,999,635,778.01/x
  3. Step 3: Cross multiply
    374,579,989,932.10x = 516,831,789,272.59 × 211,999,635,778.01
  4. Step 4: Simplify right side
    374,579,989,932.10x = 109,568,151,084,286,299,078,656
  5. Step 5: Solve for x
    x = 109,568,151,084,286,299,078,656/374,579,989,932.10
  6. Step 6: Final answer
    x = 292,509,354,555.08

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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.