Home / 446,607,632.35-669,943,445.24-119,081,429.78

Finding the Fourth Proportional to 446,607,632.35, 669,943,445.24 and 119,081,429.78

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Solution

The fourth proportional to 446,607,632.35, 669,943,445.24 and 119,081,429.78 is: 178,630,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,607,632.35 : 669,943,445.24 = 119,081,429.78 : x
  2. Step 2: Convert to fraction form
    446,607,632.35/669,943,445.24 = 119,081,429.78/x
  3. Step 3: Cross multiply
    446,607,632.35x = 669,943,445.24 × 119,081,429.78
  4. Step 4: Simplify right side
    446,607,632.35x = 79,777,823,330,322,928
  5. Step 5: Solve for x
    x = 79,777,823,330,322,928/446,607,632.35
  6. Step 6: Final answer
    x = 178,630,676.13

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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.