Home / 356,039,474.90-534,059,212.35-218,289,967.70

Finding the Fourth Proportional to 356,039,474.90, 534,059,212.35 and 218,289,967.70

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Solution

The fourth proportional to 356,039,474.90, 534,059,212.35 and 218,289,967.70 is: 327,434,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,039,474.90 : 534,059,212.35 = 218,289,967.70 : x
  2. Step 2: Convert to fraction form
    356,039,474.90/534,059,212.35 = 218,289,967.70/x
  3. Step 3: Cross multiply
    356,039,474.90x = 534,059,212.35 × 218,289,967.70
  4. Step 4: Simplify right side
    356,039,474.90x = 116,579,768,213,768,944
  5. Step 5: Solve for x
    x = 116,579,768,213,768,944/356,039,474.90
  6. Step 6: Final answer
    x = 327,434,951.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.