Home / 1,268,128,651.94-1,743,811,812.22-1,100,574,020

Finding the Fourth Proportional to 1,268,128,651.94, 1,743,811,812.22 and 1,100,574,020

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Solution

The fourth proportional to 1,268,128,651.94, 1,743,811,812.22 and 1,100,574,020 is: 1,513,406,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,128,651.94 : 1,743,811,812.22 = 1,100,574,020 : x
  2. Step 2: Convert to fraction form
    1,268,128,651.94/1,743,811,812.22 = 1,100,574,020/x
  3. Step 3: Cross multiply
    1,268,128,651.94x = 1,743,811,812.22 × 1,100,574,020
  4. Step 4: Simplify right side
    1,268,128,651.94x = 1,919,193,976,298,450,432
  5. Step 5: Solve for x
    x = 1,919,193,976,298,450,432/1,268,128,651.94
  6. Step 6: Final answer
    x = 1,513,406,367.22

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Double scale
Find fourth proportional to 1,268,128,652.94, 1,743,811,813.60 and 1,100,574,021
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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.