Home / 4,688,128,191.28-6,469,379,317.02-2,782,971,102.19

Finding the Fourth Proportional to 4,688,128,191.28, 6,469,379,317.02 and 2,782,971,102.19

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Solution

The fourth proportional to 4,688,128,191.28, 6,469,379,317.02 and 2,782,971,102.19 is: 3,840,359,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688,128,191.28 : 6,469,379,317.02 = 2,782,971,102.19 : x
  2. Step 2: Convert to fraction form
    4,688,128,191.28/6,469,379,317.02 = 2,782,971,102.19/x
  3. Step 3: Cross multiply
    4,688,128,191.28x = 6,469,379,317.02 × 2,782,971,102.19
  4. Step 4: Simplify right side
    4,688,128,191.28x = 18,004,095,688,372,340,736
  5. Step 5: Solve for x
    x = 18,004,095,688,372,340,736/4,688,128,191.28
  6. Step 6: Final answer
    x = 3,840,359,084.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.