Home / 492,276,498.98-679,550,743.78-306,729,188.24

Finding the Fourth Proportional to 492,276,498.98, 679,550,743.78 and 306,729,188.24

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Solution

The fourth proportional to 492,276,498.98, 679,550,743.78 and 306,729,188.24 is: 423,416,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,276,498.98 : 679,550,743.78 = 306,729,188.24 : x
  2. Step 2: Convert to fraction form
    492,276,498.98/679,550,743.78 = 306,729,188.24/x
  3. Step 3: Cross multiply
    492,276,498.98x = 679,550,743.78 × 306,729,188.24
  4. Step 4: Simplify right side
    492,276,498.98x = 208,438,048,007,527,616
  5. Step 5: Solve for x
    x = 208,438,048,007,527,616/492,276,498.98
  6. Step 6: Final answer
    x = 423,416,613.30

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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.