Home / 18,569,122,643.80-27,853,683,965.70-12,691,810,336.60

Finding the Fourth Proportional to 18,569,122,643.80, 27,853,683,965.70 and 12,691,810,336.60

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Solution

The fourth proportional to 18,569,122,643.80, 27,853,683,965.70 and 12,691,810,336.60 is: 19,037,715,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,122,643.80 : 27,853,683,965.70 = 12,691,810,336.60 : x
  2. Step 2: Convert to fraction form
    18,569,122,643.80/27,853,683,965.70 = 12,691,810,336.60/x
  3. Step 3: Cross multiply
    18,569,122,643.80x = 27,853,683,965.70 × 12,691,810,336.60
  4. Step 4: Simplify right side
    18,569,122,643.80x = 353,513,674,068,260,945,920
  5. Step 5: Solve for x
    x = 353,513,674,068,260,945,920/18,569,122,643.80
  6. Step 6: Final answer
    x = 19,037,715,504.90

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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.