Home / 18,581,292,002.70-27,871,938,004.05-12,695,320,341.90

Finding the Fourth Proportional to 18,581,292,002.70, 27,871,938,004.05 and 12,695,320,341.90

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Solution

The fourth proportional to 18,581,292,002.70, 27,871,938,004.05 and 12,695,320,341.90 is: 19,042,980,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,292,002.70 : 27,871,938,004.05 = 12,695,320,341.90 : x
  2. Step 2: Convert to fraction form
    18,581,292,002.70/27,871,938,004.05 = 12,695,320,341.90/x
  3. Step 3: Cross multiply
    18,581,292,002.70x = 27,871,938,004.05 × 12,695,320,341.90
  4. Step 4: Simplify right side
    18,581,292,002.70x = 353,843,181,510,991,609,856
  5. Step 5: Solve for x
    x = 353,843,181,510,991,609,856/18,581,292,002.70
  6. Step 6: Final answer
    x = 19,042,980,512.85

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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.