Home / 286,419,534,865.12-395,259,350,103.45-156,208,704,254.47

Finding the Fourth Proportional to 286,419,534,865.12, 395,259,350,103.45 and 156,208,704,254.47

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Solution

The fourth proportional to 286,419,534,865.12, 395,259,350,103.45 and 156,208,704,254.47 is: 215,568,225,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,419,534,865.12 : 395,259,350,103.45 = 156,208,704,254.47 : x
  2. Step 2: Convert to fraction form
    286,419,534,865.12/395,259,350,103.45 = 156,208,704,254.47/x
  3. Step 3: Cross multiply
    286,419,534,865.12x = 395,259,350,103.45 × 156,208,704,254.47
  4. Step 4: Simplify right side
    286,419,534,865.12x = 61,742,950,924,123,843,330,048
  5. Step 5: Solve for x
    x = 61,742,950,924,123,843,330,048/286,419,534,865.12
  6. Step 6: Final answer
    x = 215,568,225,656.12

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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.