Home / 13,603,146,077.80-20,404,719,116.70-12,828,305,099.80

Finding the Fourth Proportional to 13,603,146,077.80, 20,404,719,116.70 and 12,828,305,099.80

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Solution

The fourth proportional to 13,603,146,077.80, 20,404,719,116.70 and 12,828,305,099.80 is: 19,242,457,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,146,077.80 : 20,404,719,116.70 = 12,828,305,099.80 : x
  2. Step 2: Convert to fraction form
    13,603,146,077.80/20,404,719,116.70 = 12,828,305,099.80/x
  3. Step 3: Cross multiply
    13,603,146,077.80x = 20,404,719,116.70 × 12,828,305,099.80
  4. Step 4: Simplify right side
    13,603,146,077.80x = 261,757,962,304,749,142,016
  5. Step 5: Solve for x
    x = 261,757,962,304,749,142,016/13,603,146,077.80
  6. Step 6: Final answer
    x = 19,242,457,649.70

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1.5x scale

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.