Home / 718,036,809.57-1,076,974,464.85-193,444,682.56

Finding the Fourth Proportional to 718,036,809.57, 1,076,974,464.85 and 193,444,682.56

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Solution

The fourth proportional to 718,036,809.57, 1,076,974,464.85 and 193,444,682.56 is: 290,145,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,036,809.57 : 1,076,974,464.85 = 193,444,682.56 : x
  2. Step 2: Convert to fraction form
    718,036,809.57/1,076,974,464.85 = 193,444,682.56/x
  3. Step 3: Cross multiply
    718,036,809.57x = 1,076,974,464.85 × 193,444,682.56
  4. Step 4: Simplify right side
    718,036,809.57x = 208,334,983,474,958,112
  5. Step 5: Solve for x
    x = 208,334,983,474,958,112/718,036,809.57
  6. Step 6: Final answer
    x = 290,145,269.29

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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.