Home / 477,216,553.79-658,548,520.85-276,281,902.28

Finding the Fourth Proportional to 477,216,553.79, 658,548,520.85 and 276,281,902.28

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Solution

The fourth proportional to 477,216,553.79, 658,548,520.85 and 276,281,902.28 is: 381,263,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,216,553.79 : 658,548,520.85 = 276,281,902.28 : x
  2. Step 2: Convert to fraction form
    477,216,553.79/658,548,520.85 = 276,281,902.28/x
  3. Step 3: Cross multiply
    477,216,553.79x = 658,548,520.85 × 276,281,902.28
  4. Step 4: Simplify right side
    477,216,553.79x = 181,945,038,086,455,328
  5. Step 5: Solve for x
    x = 181,945,038,086,455,328/477,216,553.79
  6. Step 6: Final answer
    x = 381,263,048.49

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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.