Home / 309,501,944.63-464,252,833.90-212,162,546.77

Finding the Fourth Proportional to 309,501,944.63, 464,252,833.90 and 212,162,546.77

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Solution

The fourth proportional to 309,501,944.63, 464,252,833.90 and 212,162,546.77 is: 318,243,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,501,944.63 : 464,252,833.90 = 212,162,546.77 : x
  2. Step 2: Convert to fraction form
    309,501,944.63/464,252,833.90 = 212,162,546.77/x
  3. Step 3: Cross multiply
    309,501,944.63x = 464,252,833.90 × 212,162,546.77
  4. Step 4: Simplify right side
    309,501,944.63x = 98,497,063,584,518,368
  5. Step 5: Solve for x
    x = 98,497,063,584,518,368/309,501,944.63
  6. Step 6: Final answer
    x = 318,243,763.23

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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.