Home / 217,023,454,115.25-299,492,614,973.37-120,677,471,999.60

Finding the Fourth Proportional to 217,023,454,115.25, 299,492,614,973.37 and 120,677,471,999.60

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Solution

The fourth proportional to 217,023,454,115.25, 299,492,614,973.37 and 120,677,471,999.60 is: 166,535,049,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,023,454,115.25 : 299,492,614,973.37 = 120,677,471,999.60 : x
  2. Step 2: Convert to fraction form
    217,023,454,115.25/299,492,614,973.37 = 120,677,471,999.60/x
  3. Step 3: Cross multiply
    217,023,454,115.25x = 299,492,614,973.37 × 120,677,471,999.60
  4. Step 4: Simplify right side
    217,023,454,115.25x = 36,142,011,657,535,841,370,112
  5. Step 5: Solve for x
    x = 36,142,011,657,535,841,370,112/217,023,454,115.25
  6. Step 6: Final answer
    x = 166,535,049,425.32

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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.