Home / 2,021,147,138.10-3,031,182,623.14-622,128,705.60

Finding the Fourth Proportional to 2,021,147,138.10, 3,031,182,623.14 and 622,128,705.60

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Solution

The fourth proportional to 2,021,147,138.10, 3,031,182,623.14 and 622,128,705.60 is: 933,027,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,147,138.10 : 3,031,182,623.14 = 622,128,705.60 : x
  2. Step 2: Convert to fraction form
    2,021,147,138.10/3,031,182,623.14 = 622,128,705.60/x
  3. Step 3: Cross multiply
    2,021,147,138.10x = 3,031,182,623.14 × 622,128,705.60
  4. Step 4: Simplify right side
    2,021,147,138.10x = 1,885,785,721,769,745,408
  5. Step 5: Solve for x
    x = 1,885,785,721,769,745,408/2,021,147,138.10
  6. Step 6: Final answer
    x = 933,027,430.92

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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.