Home / 2,516,089,917.80-3,472,214,574.22-1,387,034,877.39

Finding the Fourth Proportional to 2,516,089,917.80, 3,472,214,574.22 and 1,387,034,877.39

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Solution

The fourth proportional to 2,516,089,917.80, 3,472,214,574.22 and 1,387,034,877.39 is: 1,914,113,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516,089,917.80 : 3,472,214,574.22 = 1,387,034,877.39 : x
  2. Step 2: Convert to fraction form
    2,516,089,917.80/3,472,214,574.22 = 1,387,034,877.39/x
  3. Step 3: Cross multiply
    2,516,089,917.80x = 3,472,214,574.22 × 1,387,034,877.39
  4. Step 4: Simplify right side
    2,516,089,917.80x = 4,816,082,716,225,008,640
  5. Step 5: Solve for x
    x = 4,816,082,716,225,008,640/2,516,089,917.80
  6. Step 6: Final answer
    x = 1,914,113,912.29

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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.