Home / 439,446,512.86-606,939,499.44-289,409,867.39

Finding the Fourth Proportional to 439,446,512.86, 606,939,499.44 and 289,409,867.39

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Solution

The fourth proportional to 439,446,512.86, 606,939,499.44 and 289,409,867.39 is: 399,717,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,446,512.86 : 606,939,499.44 = 289,409,867.39 : x
  2. Step 2: Convert to fraction form
    439,446,512.86/606,939,499.44 = 289,409,867.39/x
  3. Step 3: Cross multiply
    439,446,512.86x = 606,939,499.44 × 289,409,867.39
  4. Step 4: Simplify right side
    439,446,512.86x = 175,654,280,048,200,736
  5. Step 5: Solve for x
    x = 175,654,280,048,200,736/439,446,512.86
  6. Step 6: Final answer
    x = 399,717,087.08

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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.