Home / 868,245,845.92-1,301,636,609.57-376,588,814.42

Finding the Fourth Proportional to 868,245,845.92, 1,301,636,609.57 and 376,588,814.42

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Solution

The fourth proportional to 868,245,845.92, 1,301,636,609.57 and 376,588,814.42 is: 564,565,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,245,845.92 : 1,301,636,609.57 = 376,588,814.42 : x
  2. Step 2: Convert to fraction form
    868,245,845.92/1,301,636,609.57 = 376,588,814.42/x
  3. Step 3: Cross multiply
    868,245,845.92x = 1,301,636,609.57 × 376,588,814.42
  4. Step 4: Simplify right side
    868,245,845.92x = 490,181,787,607,830,336
  5. Step 5: Solve for x
    x = 490,181,787,607,830,336/868,245,845.92
  6. Step 6: Final answer
    x = 564,565,658.35

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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.