Home / 442,927,940.20-664,192,844.70-170,208,068.20

Finding the Fourth Proportional to 442,927,940.20, 664,192,844.70 and 170,208,068.20

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Solution

The fourth proportional to 442,927,940.20, 664,192,844.70 and 170,208,068.20 is: 255,235,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,927,940.20 : 664,192,844.70 = 170,208,068.20 : x
  2. Step 2: Convert to fraction form
    442,927,940.20/664,192,844.70 = 170,208,068.20/x
  3. Step 3: Cross multiply
    442,927,940.20x = 664,192,844.70 × 170,208,068.20
  4. Step 4: Simplify right side
    442,927,940.20x = 113,050,981,008,649,616
  5. Step 5: Solve for x
    x = 113,050,981,008,649,616/442,927,940.20
  6. Step 6: Final answer
    x = 255,235,605.50

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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.