Home / 411,442,906.69-617,224,590.01-193,115,425.69

Finding the Fourth Proportional to 411,442,906.69, 617,224,590.01 and 193,115,425.69

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Solution

The fourth proportional to 411,442,906.69, 617,224,590.01 and 193,115,425.69 is: 289,701,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,442,906.69 : 617,224,590.01 = 193,115,425.69 : x
  2. Step 2: Convert to fraction form
    411,442,906.69/617,224,590.01 = 193,115,425.69/x
  3. Step 3: Cross multiply
    411,442,906.69x = 617,224,590.01 × 193,115,425.69
  4. Step 4: Simplify right side
    411,442,906.69x = 119,195,589,443,030,752
  5. Step 5: Solve for x
    x = 119,195,589,443,030,752/411,442,906.69
  6. Step 6: Final answer
    x = 289,701,408.16

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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.