Home / 377,140,624.84-520,450,302-209,874,021.04

Finding the Fourth Proportional to 377,140,624.84, 520,450,302 and 209,874,021.04

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Solution

The fourth proportional to 377,140,624.84, 520,450,302 and 209,874,021.04 is: 289,624,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,140,624.84 : 520,450,302 = 209,874,021.04 : x
  2. Step 2: Convert to fraction form
    377,140,624.84/520,450,302 = 209,874,021.04/x
  3. Step 3: Cross multiply
    377,140,624.84x = 520,450,302 × 209,874,021.04
  4. Step 4: Simplify right side
    377,140,624.84x = 109,228,997,632,222,352
  5. Step 5: Solve for x
    x = 109,228,997,632,222,352/377,140,624.84
  6. Step 6: Final answer
    x = 289,624,056.49

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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.