Home / 496,406,993.46-685,116,126.48-377,133,313.29

Finding the Fourth Proportional to 496,406,993.46, 685,116,126.48 and 377,133,313.29

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Solution

The fourth proportional to 496,406,993.46, 685,116,126.48 and 377,133,313.29 is: 520,500,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,406,993.46 : 685,116,126.48 = 377,133,313.29 : x
  2. Step 2: Convert to fraction form
    496,406,993.46/685,116,126.48 = 377,133,313.29/x
  3. Step 3: Cross multiply
    496,406,993.46x = 685,116,126.48 × 377,133,313.29
  4. Step 4: Simplify right side
    496,406,993.46x = 258,380,114,767,813,120
  5. Step 5: Solve for x
    x = 258,380,114,767,813,120/496,406,993.46
  6. Step 6: Final answer
    x = 520,500,553.32

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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.