Home / 1,759,171,812.78-2,427,704,509.62-1,035,010,287.60

Finding the Fourth Proportional to 1,759,171,812.78, 2,427,704,509.62 and 1,035,010,287.60

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Solution

The fourth proportional to 1,759,171,812.78, 2,427,704,509.62 and 1,035,010,287.60 is: 1,428,342,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,171,812.78 : 2,427,704,509.62 = 1,035,010,287.60 : x
  2. Step 2: Convert to fraction form
    1,759,171,812.78/2,427,704,509.62 = 1,035,010,287.60/x
  3. Step 3: Cross multiply
    1,759,171,812.78x = 2,427,704,509.62 × 1,035,010,287.60
  4. Step 4: Simplify right side
    1,759,171,812.78x = 2,512,699,142,709,613,056
  5. Step 5: Solve for x
    x = 2,512,699,142,709,613,056/1,759,171,812.78
  6. Step 6: Final answer
    x = 1,428,342,089.42

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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.