Home / 377,242,108.39-520,594,133.59-209,974,768.81

Finding the Fourth Proportional to 377,242,108.39, 520,594,133.59 and 209,974,768.81

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Solution

The fourth proportional to 377,242,108.39, 520,594,133.59 and 209,974,768.81 is: 289,765,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,242,108.39 : 520,594,133.59 = 209,974,768.81 : x
  2. Step 2: Convert to fraction form
    377,242,108.39/520,594,133.59 = 209,974,768.81/x
  3. Step 3: Cross multiply
    377,242,108.39x = 520,594,133.59 × 209,974,768.81
  4. Step 4: Simplify right side
    377,242,108.39x = 109,311,632,842,179,232
  5. Step 5: Solve for x
    x = 109,311,632,842,179,232/377,242,108.39
  6. Step 6: Final answer
    x = 289,765,194.32

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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.