Home / 11,691,763,203.60-17,537,644,805.40-7,972,526,509.20

Finding the Fourth Proportional to 11,691,763,203.60, 17,537,644,805.40 and 7,972,526,509.20

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Solution

The fourth proportional to 11,691,763,203.60, 17,537,644,805.40 and 7,972,526,509.20 is: 11,958,789,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,763,203.60 : 17,537,644,805.40 = 7,972,526,509.20 : x
  2. Step 2: Convert to fraction form
    11,691,763,203.60/17,537,644,805.40 = 7,972,526,509.20/x
  3. Step 3: Cross multiply
    11,691,763,203.60x = 17,537,644,805.40 × 7,972,526,509.20
  4. Step 4: Simplify right side
    11,691,763,203.60x = 139,819,338,119,985,184,768
  5. Step 5: Solve for x
    x = 139,819,338,119,985,184,768/11,691,763,203.60
  6. Step 6: Final answer
    x = 11,958,789,763.80

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Double scale
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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.