Home / 508,497,994.46-762,783,985.31-213,096,597.63

Finding the Fourth Proportional to 508,497,994.46, 762,783,985.31 and 213,096,597.63

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Solution

The fourth proportional to 508,497,994.46, 762,783,985.31 and 213,096,597.63 is: 319,660,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,497,994.46 : 762,783,985.31 = 213,096,597.63 : x
  2. Step 2: Convert to fraction form
    508,497,994.46/762,783,985.31 = 213,096,597.63/x
  3. Step 3: Cross multiply
    508,497,994.46x = 762,783,985.31 × 213,096,597.63
  4. Step 4: Simplify right side
    508,497,994.46x = 162,546,671,995,147,392
  5. Step 5: Solve for x
    x = 162,546,671,995,147,392/508,497,994.46
  6. Step 6: Final answer
    x = 319,660,399.39

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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.