Home / 384,191,059.18-530,183,048.55-207,979,007.83

Finding the Fourth Proportional to 384,191,059.18, 530,183,048.55 and 207,979,007.83

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Solution

The fourth proportional to 384,191,059.18, 530,183,048.55 and 207,979,007.83 is: 287,010,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,191,059.18 : 530,183,048.55 = 207,979,007.83 : x
  2. Step 2: Convert to fraction form
    384,191,059.18/530,183,048.55 = 207,979,007.83/x
  3. Step 3: Cross multiply
    384,191,059.18x = 530,183,048.55 × 207,979,007.83
  4. Step 4: Simplify right side
    384,191,059.18x = 110,266,944,405,713,728
  5. Step 5: Solve for x
    x = 110,266,944,405,713,728/384,191,059.18
  6. Step 6: Final answer
    x = 287,010,698.90

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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.