Home / 385,666,722.96-532,252,900.83-218,432,733

Finding the Fourth Proportional to 385,666,722.96, 532,252,900.83 and 218,432,733

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Solution

The fourth proportional to 385,666,722.96, 532,252,900.83 and 218,432,733 is: 301,455,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,666,722.96 : 532,252,900.83 = 218,432,733 : x
  2. Step 2: Convert to fraction form
    385,666,722.96/532,252,900.83 = 218,432,733/x
  3. Step 3: Cross multiply
    385,666,722.96x = 532,252,900.83 × 218,432,733
  4. Step 4: Simplify right side
    385,666,722.96x = 116,261,455,775,474,864
  5. Step 5: Solve for x
    x = 116,261,455,775,474,864/385,666,722.96
  6. Step 6: Final answer
    x = 301,455,761.81

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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.