Home / 340,604,598.64-511,229,900.28-210,819,620.56

Finding the Fourth Proportional to 340,604,598.64, 511,229,900.28 and 210,819,620.56

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Solution

The fourth proportional to 340,604,598.64, 511,229,900.28 and 210,819,620.56 is: 316,429,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,604,598.64 : 511,229,900.28 = 210,819,620.56 : x
  2. Step 2: Convert to fraction form
    340,604,598.64/511,229,900.28 = 210,819,620.56/x
  3. Step 3: Cross multiply
    340,604,598.64x = 511,229,900.28 × 210,819,620.56
  4. Step 4: Simplify right side
    340,604,598.64x = 107,777,293,595,956,240
  5. Step 5: Solve for x
    x = 107,777,293,595,956,240/340,604,598.64
  6. Step 6: Final answer
    x = 316,429,355.41

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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.