Home / 711,737,979.10-1,067,767,951.02-384,206,462.08

Finding the Fourth Proportional to 711,737,979.10, 1,067,767,951.02 and 384,206,462.08

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Solution

The fourth proportional to 711,737,979.10, 1,067,767,951.02 and 384,206,462.08 is: 576,396,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,737,979.10 : 1,067,767,951.02 = 384,206,462.08 : x
  2. Step 2: Convert to fraction form
    711,737,979.10/1,067,767,951.02 = 384,206,462.08/x
  3. Step 3: Cross multiply
    711,737,979.10x = 1,067,767,951.02 × 384,206,462.08
  4. Step 4: Simplify right side
    711,737,979.10x = 410,243,346,783,804,928
  5. Step 5: Solve for x
    x = 410,243,346,783,804,928/711,737,979.10
  6. Step 6: Final answer
    x = 576,396,593.73

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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.