Home / 788,973,561.70-1,183,460,342.55-329,241,667.30

Finding the Fourth Proportional to 788,973,561.70, 1,183,460,342.55 and 329,241,667.30

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Solution

The fourth proportional to 788,973,561.70, 1,183,460,342.55 and 329,241,667.30 is: 493,862,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,973,561.70 : 1,183,460,342.55 = 329,241,667.30 : x
  2. Step 2: Convert to fraction form
    788,973,561.70/1,183,460,342.55 = 329,241,667.30/x
  3. Step 3: Cross multiply
    788,973,561.70x = 1,183,460,342.55 × 329,241,667.30
  4. Step 4: Simplify right side
    788,973,561.70x = 389,644,456,364,591,104
  5. Step 5: Solve for x
    x = 389,644,456,364,591,104/788,973,561.70
  6. Step 6: Final answer
    x = 493,862,500.95

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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.