Home / 6,385,680,133.85-9,578,520,200.78-3,773,541,330.65

Finding the Fourth Proportional to 6,385,680,133.85, 9,578,520,200.78 and 3,773,541,330.65

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Solution

The fourth proportional to 6,385,680,133.85, 9,578,520,200.78 and 3,773,541,330.65 is: 5,660,311,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,680,133.85 : 9,578,520,200.78 = 3,773,541,330.65 : x
  2. Step 2: Convert to fraction form
    6,385,680,133.85/9,578,520,200.78 = 3,773,541,330.65/x
  3. Step 3: Cross multiply
    6,385,680,133.85x = 9,578,520,200.78 × 3,773,541,330.65
  4. Step 4: Simplify right side
    6,385,680,133.85x = 36,144,941,864,090,398,720
  5. Step 5: Solve for x
    x = 36,144,941,864,090,398,720/6,385,680,133.85
  6. Step 6: Final answer
    x = 5,660,311,995.98

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Double scale
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Similar ratio
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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.