Home / 384,191,058.94-530,183,048.21-207,979,007.59

Finding the Fourth Proportional to 384,191,058.94, 530,183,048.21 and 207,979,007.59

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Solution

The fourth proportional to 384,191,058.94, 530,183,048.21 and 207,979,007.59 is: 287,010,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,191,058.94 : 530,183,048.21 = 207,979,007.59 : x
  2. Step 2: Convert to fraction form
    384,191,058.94/530,183,048.21 = 207,979,007.59/x
  3. Step 3: Cross multiply
    384,191,058.94x = 530,183,048.21 × 207,979,007.59
  4. Step 4: Simplify right side
    384,191,058.94x = 110,266,944,205,391,568
  5. Step 5: Solve for x
    x = 110,266,944,205,391,568/384,191,058.94
  6. Step 6: Final answer
    x = 287,010,698.56

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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.