Home / 288,771,774.03-398,555,994.92-171,361,842.57

Finding the Fourth Proportional to 288,771,774.03, 398,555,994.92 and 171,361,842.57

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Solution

The fourth proportional to 288,771,774.03, 398,555,994.92 and 171,361,842.57 is: 236,509,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,771,774.03 : 398,555,994.92 = 171,361,842.57 : x
  2. Step 2: Convert to fraction form
    288,771,774.03/398,555,994.92 = 171,361,842.57/x
  3. Step 3: Cross multiply
    288,771,774.03x = 398,555,994.92 × 171,361,842.57
  4. Step 4: Simplify right side
    288,771,774.03x = 68,297,289,655,953,952
  5. Step 5: Solve for x
    x = 68,297,289,655,953,952/288,771,774.03
  6. Step 6: Final answer
    x = 236,509,575.37

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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.