Home / 446,257,927.80-669,386,891.70-308,508,420.60

Finding the Fourth Proportional to 446,257,927.80, 669,386,891.70 and 308,508,420.60

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Solution

The fourth proportional to 446,257,927.80, 669,386,891.70 and 308,508,420.60 is: 462,762,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,257,927.80 : 669,386,891.70 = 308,508,420.60 : x
  2. Step 2: Convert to fraction form
    446,257,927.80/669,386,891.70 = 308,508,420.60/x
  3. Step 3: Cross multiply
    446,257,927.80x = 669,386,891.70 × 308,508,420.60
  4. Step 4: Simplify right side
    446,257,927.80x = 206,511,492,728,710,272
  5. Step 5: Solve for x
    x = 206,511,492,728,710,272/446,257,927.80
  6. Step 6: Final answer
    x = 462,762,630.90

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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.