Home / 388,633,451.51-583,467,331.46-204,530,213.63

Finding the Fourth Proportional to 388,633,451.51, 583,467,331.46 and 204,530,213.63

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Solution

The fourth proportional to 388,633,451.51, 583,467,331.46 and 204,530,213.63 is: 307,067,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,633,451.51 : 583,467,331.46 = 204,530,213.63 : x
  2. Step 2: Convert to fraction form
    388,633,451.51/583,467,331.46 = 204,530,213.63/x
  3. Step 3: Cross multiply
    388,633,451.51x = 583,467,331.46 × 204,530,213.63
  4. Step 4: Simplify right side
    388,633,451.51x = 119,336,697,950,075,840
  5. Step 5: Solve for x
    x = 119,336,697,950,075,840/388,633,451.51
  6. Step 6: Final answer
    x = 307,067,488.62

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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.