Home / 383,411,827.96-529,132,034.01-211,552,067.98

Finding the Fourth Proportional to 383,411,827.96, 529,132,034.01 and 211,552,067.98

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Solution

The fourth proportional to 383,411,827.96, 529,132,034.01 and 211,552,067.98 is: 291,954,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,411,827.96 : 529,132,034.01 = 211,552,067.98 : x
  2. Step 2: Convert to fraction form
    383,411,827.96/529,132,034.01 = 211,552,067.98/x
  3. Step 3: Cross multiply
    383,411,827.96x = 529,132,034.01 × 211,552,067.98
  4. Step 4: Simplify right side
    383,411,827.96x = 111,938,976,027,956,352
  5. Step 5: Solve for x
    x = 111,938,976,027,956,352/383,411,827.96
  6. Step 6: Final answer
    x = 291,954,936.87

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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.