Home / 352,215,904.86-486,005,222.97-201,484,594.89

Finding the Fourth Proportional to 352,215,904.86, 486,005,222.97 and 201,484,594.89

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Solution

The fourth proportional to 352,215,904.86, 486,005,222.97 and 201,484,594.89 is: 278,018,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,215,904.86 : 486,005,222.97 = 201,484,594.89 : x
  2. Step 2: Convert to fraction form
    352,215,904.86/486,005,222.97 = 201,484,594.89/x
  3. Step 3: Cross multiply
    352,215,904.86x = 486,005,222.97 × 201,484,594.89
  4. Step 4: Simplify right side
    352,215,904.86x = 97,922,565,464,534,576
  5. Step 5: Solve for x
    x = 97,922,565,464,534,576/352,215,904.86
  6. Step 6: Final answer
    x = 278,018,579.27

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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.