Home / 13,312,789,602.52-18,372,227,150.68-7,372,342,104.52

Finding the Fourth Proportional to 13,312,789,602.52, 18,372,227,150.68 and 7,372,342,104.52

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Solution

The fourth proportional to 13,312,789,602.52, 18,372,227,150.68 and 7,372,342,104.52 is: 10,174,151,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,789,602.52 : 18,372,227,150.68 = 7,372,342,104.52 : x
  2. Step 2: Convert to fraction form
    13,312,789,602.52/18,372,227,150.68 = 7,372,342,104.52/x
  3. Step 3: Cross multiply
    13,312,789,602.52x = 18,372,227,150.68 × 7,372,342,104.52
  4. Step 4: Simplify right side
    13,312,789,602.52x = 135,446,343,776,634,945,536
  5. Step 5: Solve for x
    x = 135,446,343,776,634,945,536/13,312,789,602.52
  6. Step 6: Final answer
    x = 10,174,151,911.11

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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.