Home / 320,031,796.20-480,047,694.30-307,490,663.40

Finding the Fourth Proportional to 320,031,796.20, 480,047,694.30 and 307,490,663.40

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Solution

The fourth proportional to 320,031,796.20, 480,047,694.30 and 307,490,663.40 is: 461,235,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,031,796.20 : 480,047,694.30 = 307,490,663.40 : x
  2. Step 2: Convert to fraction form
    320,031,796.20/480,047,694.30 = 307,490,663.40/x
  3. Step 3: Cross multiply
    320,031,796.20x = 480,047,694.30 × 307,490,663.40
  4. Step 4: Simplify right side
    320,031,796.20x = 147,610,183,983,947,392
  5. Step 5: Solve for x
    x = 147,610,183,983,947,392/320,031,796.20
  6. Step 6: Final answer
    x = 461,235,995.10

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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.