Home / 788,973,974.20-1,183,460,961.30-329,242,079.80

Finding the Fourth Proportional to 788,973,974.20, 1,183,460,961.30 and 329,242,079.80

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Solution

The fourth proportional to 788,973,974.20, 1,183,460,961.30 and 329,242,079.80 is: 493,863,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,973,974.20 : 1,183,460,961.30 = 329,242,079.80 : x
  2. Step 2: Convert to fraction form
    788,973,974.20/1,183,460,961.30 = 329,242,079.80/x
  3. Step 3: Cross multiply
    788,973,974.20x = 1,183,460,961.30 × 329,242,079.80
  4. Step 4: Simplify right side
    788,973,974.20x = 389,645,148,260,519,296
  5. Step 5: Solve for x
    x = 389,645,148,260,519,296/788,973,974.20
  6. Step 6: Final answer
    x = 493,863,119.70

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Double scale
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1.5x scale

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.