Home / 442,674,460.80-663,444,820.80-339,929,200.80

Finding the Fourth Proportional to 442,674,460.80, 663,444,820.80 and 339,929,200.80

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Solution

The fourth proportional to 442,674,460.80, 663,444,820.80 and 339,929,200.80 is: 509,458,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,674,460.80 : 663,444,820.80 = 339,929,200.80 : x
  2. Step 2: Convert to fraction form
    442,674,460.80/663,444,820.80 = 339,929,200.80/x
  3. Step 3: Cross multiply
    442,674,460.80x = 663,444,820.80 × 339,929,200.80
  4. Step 4: Simplify right side
    442,674,460.80x = 225,524,267,709,443,200
  5. Step 5: Solve for x
    x = 225,524,267,709,443,200/442,674,460.80
  6. Step 6: Final answer
    x = 509,458,502.08

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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.