Home / 7,839,540,342.80-11,759,310,514.20-7,240,925,200.40

Finding the Fourth Proportional to 7,839,540,342.80, 11,759,310,514.20 and 7,240,925,200.40

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Solution

The fourth proportional to 7,839,540,342.80, 11,759,310,514.20 and 7,240,925,200.40 is: 10,861,387,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839,540,342.80 : 11,759,310,514.20 = 7,240,925,200.40 : x
  2. Step 2: Convert to fraction form
    7,839,540,342.80/11,759,310,514.20 = 7,240,925,200.40/x
  3. Step 3: Cross multiply
    7,839,540,342.80x = 11,759,310,514.20 × 7,240,925,200.40
  4. Step 4: Simplify right side
    7,839,540,342.80x = 85,148,287,841,599,455,232
  5. Step 5: Solve for x
    x = 85,148,287,841,599,455,232/7,839,540,342.80
  6. Step 6: Final answer
    x = 10,861,387,800.60

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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.