Home / 15,494,858,887,572-21,382,778,189,252-8,463,461,519,475.40

Finding the Fourth Proportional to 15,494,858,887,572, 21,382,778,189,252 and 8,463,461,519,475.40

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Solution

The fourth proportional to 15,494,858,887,572, 21,382,778,189,252 and 8,463,461,519,475.40 is: 11,679,507,486,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494,858,887,572 : 21,382,778,189,252 = 8,463,461,519,475.40 : x
  2. Step 2: Convert to fraction form
    15,494,858,887,572/21,382,778,189,252 = 8,463,461,519,475.40/x
  3. Step 3: Cross multiply
    15,494,858,887,572x = 21,382,778,189,252 × 8,463,461,519,475.40
  4. Step 4: Simplify right side
    15,494,858,887,572x = 180,972,320,384,212,176,178,511,872
  5. Step 5: Solve for x
    x = 180,972,320,384,212,176,178,511,872/15,494,858,887,572
  6. Step 6: Final answer
    x = 11,679,507,486,793.90

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Double scale
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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.