Home / 9,889,119,976.80-14,833,679,965.20-3,676,999,839.60

Finding the Fourth Proportional to 9,889,119,976.80, 14,833,679,965.20 and 3,676,999,839.60

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Solution

The fourth proportional to 9,889,119,976.80, 14,833,679,965.20 and 3,676,999,839.60 is: 5,515,499,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889,119,976.80 : 14,833,679,965.20 = 3,676,999,839.60 : x
  2. Step 2: Convert to fraction form
    9,889,119,976.80/14,833,679,965.20 = 3,676,999,839.60/x
  3. Step 3: Cross multiply
    9,889,119,976.80x = 14,833,679,965.20 × 3,676,999,839.60
  4. Step 4: Simplify right side
    9,889,119,976.80x = 54,543,438,852,718,133,248
  5. Step 5: Solve for x
    x = 54,543,438,852,718,133,248/9,889,119,976.80
  6. Step 6: Final answer
    x = 5,515,499,759.40

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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.