Home / 438,322,081,354.20-604,669,523,328.85-380,369,121,628.11

Finding the Fourth Proportional to 438,322,081,354.20, 604,669,523,328.85 and 380,369,121,628.11

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Solution

The fourth proportional to 438,322,081,354.20, 604,669,523,328.85 and 380,369,121,628.11 is: 524,722,858,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,322,081,354.20 : 604,669,523,328.85 = 380,369,121,628.11 : x
  2. Step 2: Convert to fraction form
    438,322,081,354.20/604,669,523,328.85 = 380,369,121,628.11/x
  3. Step 3: Cross multiply
    438,322,081,354.20x = 604,669,523,328.85 × 380,369,121,628.11
  4. Step 4: Simplify right side
    438,322,081,354.20x = 229,997,615,463,882,632,986,624
  5. Step 5: Solve for x
    x = 229,997,615,463,882,632,986,624/438,322,081,354.20
  6. Step 6: Final answer
    x = 524,722,858,481.83

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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.