Home / 13,312,789,597.24-18,372,227,143.41-7,372,342,099.24

Finding the Fourth Proportional to 13,312,789,597.24, 18,372,227,143.41 and 7,372,342,099.24

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Solution

The fourth proportional to 13,312,789,597.24, 18,372,227,143.41 and 7,372,342,099.24 is: 10,174,151,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,789,597.24 : 18,372,227,143.41 = 7,372,342,099.24 : x
  2. Step 2: Convert to fraction form
    13,312,789,597.24/18,372,227,143.41 = 7,372,342,099.24/x
  3. Step 3: Cross multiply
    13,312,789,597.24x = 18,372,227,143.41 × 7,372,342,099.24
  4. Step 4: Simplify right side
    13,312,789,597.24x = 135,446,343,626,063,986,688
  5. Step 5: Solve for x
    x = 135,446,343,626,063,986,688/13,312,789,597.24
  6. Step 6: Final answer
    x = 10,174,151,903.83

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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.