Home / 408,024,020.80-612,036,031.20-244,765,345.60

Finding the Fourth Proportional to 408,024,020.80, 612,036,031.20 and 244,765,345.60

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Solution

The fourth proportional to 408,024,020.80, 612,036,031.20 and 244,765,345.60 is: 367,148,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,024,020.80 : 612,036,031.20 = 244,765,345.60 : x
  2. Step 2: Convert to fraction form
    408,024,020.80/612,036,031.20 = 244,765,345.60/x
  3. Step 3: Cross multiply
    408,024,020.80x = 612,036,031.20 × 244,765,345.60
  4. Step 4: Simplify right side
    408,024,020.80x = 149,805,210,696,320,384
  5. Step 5: Solve for x
    x = 149,805,210,696,320,384/408,024,020.80
  6. Step 6: Final answer
    x = 367,148,018.40

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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.