Home / 7,842,356,010.60-11,763,534,015.90-7,787,936,452.20

Finding the Fourth Proportional to 7,842,356,010.60, 11,763,534,015.90 and 7,787,936,452.20

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Solution

The fourth proportional to 7,842,356,010.60, 11,763,534,015.90 and 7,787,936,452.20 is: 11,681,904,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842,356,010.60 : 11,763,534,015.90 = 7,787,936,452.20 : x
  2. Step 2: Convert to fraction form
    7,842,356,010.60/11,763,534,015.90 = 7,787,936,452.20/x
  3. Step 3: Cross multiply
    7,842,356,010.60x = 11,763,534,015.90 × 7,787,936,452.20
  4. Step 4: Simplify right side
    7,842,356,010.60x = 91,613,655,369,122,267,136
  5. Step 5: Solve for x
    x = 91,613,655,369,122,267,136/7,842,356,010.60
  6. Step 6: Final answer
    x = 11,681,904,678.30

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Double scale
Find fourth proportional to 7,842,356,011.60, 11,763,534,017.40 and 7,787,936,453.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.