Home / 7,680,495,428.20-11,520,743,142.30-5,745,577,796.20

Finding the Fourth Proportional to 7,680,495,428.20, 11,520,743,142.30 and 5,745,577,796.20

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Solution

The fourth proportional to 7,680,495,428.20, 11,520,743,142.30 and 5,745,577,796.20 is: 8,618,366,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,495,428.20 : 11,520,743,142.30 = 5,745,577,796.20 : x
  2. Step 2: Convert to fraction form
    7,680,495,428.20/11,520,743,142.30 = 5,745,577,796.20/x
  3. Step 3: Cross multiply
    7,680,495,428.20x = 11,520,743,142.30 × 5,745,577,796.20
  4. Step 4: Simplify right side
    7,680,495,428.20x = 66,193,325,994,122,289,152
  5. Step 5: Solve for x
    x = 66,193,325,994,122,289,152/7,680,495,428.20
  6. Step 6: Final answer
    x = 8,618,366,694.30

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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.