Home / 1,116,531,749.85-1,674,979,551.07-329,664,944.11

Finding the Fourth Proportional to 1,116,531,749.85, 1,674,979,551.07 and 329,664,944.11

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Solution

The fourth proportional to 1,116,531,749.85, 1,674,979,551.07 and 329,664,944.11 is: 494,551,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,531,749.85 : 1,674,979,551.07 = 329,664,944.11 : x
  2. Step 2: Convert to fraction form
    1,116,531,749.85/1,674,979,551.07 = 329,664,944.11/x
  3. Step 3: Cross multiply
    1,116,531,749.85x = 1,674,979,551.07 × 329,664,944.11
  4. Step 4: Simplify right side
    1,116,531,749.85x = 552,182,040,087,236,160
  5. Step 5: Solve for x
    x = 552,182,040,087,236,160/1,116,531,749.85
  6. Step 6: Final answer
    x = 494,551,131.36

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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.