Home / 13,312,789,598.24-18,372,227,144.79-7,372,342,100.24

Finding the Fourth Proportional to 13,312,789,598.24, 18,372,227,144.79 and 7,372,342,100.24

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Solution

The fourth proportional to 13,312,789,598.24, 18,372,227,144.79 and 7,372,342,100.24 is: 10,174,151,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,789,598.24 : 18,372,227,144.79 = 7,372,342,100.24 : x
  2. Step 2: Convert to fraction form
    13,312,789,598.24/18,372,227,144.79 = 7,372,342,100.24/x
  3. Step 3: Cross multiply
    13,312,789,598.24x = 18,372,227,144.79 × 7,372,342,100.24
  4. Step 4: Simplify right side
    13,312,789,598.24x = 135,446,343,654,707,445,760
  5. Step 5: Solve for x
    x = 135,446,343,654,707,445,760/13,312,789,598.24
  6. Step 6: Final answer
    x = 10,174,151,905.22

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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.