Home / 383,411,828.96-529,132,035.39-211,552,068.98

Finding the Fourth Proportional to 383,411,828.96, 529,132,035.39 and 211,552,068.98

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Solution

The fourth proportional to 383,411,828.96, 529,132,035.39 and 211,552,068.98 is: 291,954,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,411,828.96 : 529,132,035.39 = 211,552,068.98 : x
  2. Step 2: Convert to fraction form
    383,411,828.96/529,132,035.39 = 211,552,068.98/x
  3. Step 3: Cross multiply
    383,411,828.96x = 529,132,035.39 × 211,552,068.98
  4. Step 4: Simplify right side
    383,411,828.96x = 111,938,976,850,353,072
  5. Step 5: Solve for x
    x = 111,938,976,850,353,072/383,411,828.96
  6. Step 6: Final answer
    x = 291,954,938.26

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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.