Home / 285,557,151.69-393,923,820.33-186,495,885.09

Finding the Fourth Proportional to 285,557,151.69, 393,923,820.33 and 186,495,885.09

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Solution

The fourth proportional to 285,557,151.69, 393,923,820.33 and 186,495,885.09 is: 257,269,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,557,151.69 : 393,923,820.33 = 186,495,885.09 : x
  2. Step 2: Convert to fraction form
    285,557,151.69/393,923,820.33 = 186,495,885.09/x
  3. Step 3: Cross multiply
    285,557,151.69x = 393,923,820.33 × 186,495,885.09
  4. Step 4: Simplify right side
    285,557,151.69x = 73,465,171,530,477,488
  5. Step 5: Solve for x
    x = 73,465,171,530,477,488/285,557,151.69
  6. Step 6: Final answer
    x = 257,269,590.68

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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.