Home / 1,820,719,770.04-2,512,593,252.21-985,344,340.69

Finding the Fourth Proportional to 1,820,719,770.04, 2,512,593,252.21 and 985,344,340.69

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Solution

The fourth proportional to 1,820,719,770.04, 2,512,593,252.21 and 985,344,340.69 is: 1,359,775,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,719,770.04 : 2,512,593,252.21 = 985,344,340.69 : x
  2. Step 2: Convert to fraction form
    1,820,719,770.04/2,512,593,252.21 = 985,344,340.69/x
  3. Step 3: Cross multiply
    1,820,719,770.04x = 2,512,593,252.21 × 985,344,340.69
  4. Step 4: Simplify right side
    1,820,719,770.04x = 2,475,769,541,521,005,568
  5. Step 5: Solve for x
    x = 2,475,769,541,521,005,568/1,820,719,770.04
  6. Step 6: Final answer
    x = 1,359,775,173.68

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Double scale
Find fourth proportional to 1,820,719,771.04, 2,512,593,253.59 and 985,344,341.69
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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.