Home / 2,768,131,210.29-3,820,021,069.64-1,515,068,066.19

Finding the Fourth Proportional to 2,768,131,210.29, 3,820,021,069.64 and 1,515,068,066.19

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Solution

The fourth proportional to 2,768,131,210.29, 3,820,021,069.64 and 1,515,068,066.19 is: 2,090,793,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,131,210.29 : 3,820,021,069.64 = 1,515,068,066.19 : x
  2. Step 2: Convert to fraction form
    2,768,131,210.29/3,820,021,069.64 = 1,515,068,066.19/x
  3. Step 3: Cross multiply
    2,768,131,210.29x = 3,820,021,069.64 × 1,515,068,066.19
  4. Step 4: Simplify right side
    2,768,131,210.29x = 5,787,591,934,776,954,880
  5. Step 5: Solve for x
    x = 5,787,591,934,776,954,880/2,768,131,210.29
  6. Step 6: Final answer
    x = 2,090,793,931.03

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Double scale
Find fourth proportional to 2,768,131,211.29, 3,820,021,071.02 and 1,515,068,067.19
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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.