Home / 788,973,909.70-1,183,460,864.55-329,242,015.30

Finding the Fourth Proportional to 788,973,909.70, 1,183,460,864.55 and 329,242,015.30

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Solution

The fourth proportional to 788,973,909.70, 1,183,460,864.55 and 329,242,015.30 is: 493,863,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,973,909.70 : 1,183,460,864.55 = 329,242,015.30 : x
  2. Step 2: Convert to fraction form
    788,973,909.70/1,183,460,864.55 = 329,242,015.30/x
  3. Step 3: Cross multiply
    788,973,909.70x = 1,183,460,864.55 × 329,242,015.30
  4. Step 4: Simplify right side
    788,973,909.70x = 389,645,040,073,122,304
  5. Step 5: Solve for x
    x = 389,645,040,073,122,304/788,973,909.70
  6. Step 6: Final answer
    x = 493,863,022.95

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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.