Home / 711,737,992.60-1,067,767,971.30-384,206,475.58

Finding the Fourth Proportional to 711,737,992.60, 1,067,767,971.30 and 384,206,475.58

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Solution

The fourth proportional to 711,737,992.60, 1,067,767,971.30 and 384,206,475.58 is: 576,396,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,737,992.60 : 1,067,767,971.30 = 384,206,475.58 : x
  2. Step 2: Convert to fraction form
    711,737,992.60/1,067,767,971.30 = 384,206,475.58/x
  3. Step 3: Cross multiply
    711,737,992.60x = 1,067,767,971.30 × 384,206,475.58
  4. Step 4: Simplify right side
    711,737,992.60x = 410,243,368,990,379,584
  5. Step 5: Solve for x
    x = 410,243,368,990,379,584/711,737,992.60
  6. Step 6: Final answer
    x = 576,396,614.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.