Home / 522,071,807.15-720,282,588.54-295,986,536.88

Finding the Fourth Proportional to 522,071,807.15, 720,282,588.54 and 295,986,536.88

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Solution

The fourth proportional to 522,071,807.15, 720,282,588.54 and 295,986,536.88 is: 408,361,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,071,807.15 : 720,282,588.54 = 295,986,536.88 : x
  2. Step 2: Convert to fraction form
    522,071,807.15/720,282,588.54 = 295,986,536.88/x
  3. Step 3: Cross multiply
    522,071,807.15x = 720,282,588.54 × 295,986,536.88
  4. Step 4: Simplify right side
    522,071,807.15x = 213,193,948,953,105,600
  5. Step 5: Solve for x
    x = 213,193,948,953,105,600/522,071,807.15
  6. Step 6: Final answer
    x = 408,361,351.89

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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.