Home / 377,242,103.34-520,594,126.61-209,974,763.77

Finding the Fourth Proportional to 377,242,103.34, 520,594,126.61 and 209,974,763.77

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Solution

The fourth proportional to 377,242,103.34, 520,594,126.61 and 209,974,763.77 is: 289,765,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,242,103.34 : 520,594,126.61 = 209,974,763.77 : x
  2. Step 2: Convert to fraction form
    377,242,103.34/520,594,126.61 = 209,974,763.77/x
  3. Step 3: Cross multiply
    377,242,103.34x = 520,594,126.61 × 209,974,763.77
  4. Step 4: Simplify right side
    377,242,103.34x = 109,311,628,752,632,880
  5. Step 5: Solve for x
    x = 109,311,628,752,632,880/377,242,103.34
  6. Step 6: Final answer
    x = 289,765,187.36

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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.