Home / 399,064,809.20-598,796,279.40-226,673,999.60

Finding the Fourth Proportional to 399,064,809.20, 598,796,279.40 and 226,673,999.60

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Solution

The fourth proportional to 399,064,809.20, 598,796,279.40 and 226,673,999.60 is: 340,124,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,064,809.20 : 598,796,279.40 = 226,673,999.60 : x
  2. Step 2: Convert to fraction form
    399,064,809.20/598,796,279.40 = 226,673,999.60/x
  3. Step 3: Cross multiply
    399,064,809.20x = 598,796,279.40 × 226,673,999.60
  4. Step 4: Simplify right side
    399,064,809.20x = 135,731,547,597,197,072
  5. Step 5: Solve for x
    x = 135,731,547,597,197,072/399,064,809.20
  6. Step 6: Final answer
    x = 340,124,071.25

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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.