Home / 128,485,659,540.26-177,314,462,435.34-70,616,090,572.94

Finding the Fourth Proportional to 128,485,659,540.26, 177,314,462,435.34 and 70,616,090,572.94

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Solution

The fourth proportional to 128,485,659,540.26, 177,314,462,435.34 and 70,616,090,572.94 is: 97,452,542,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,485,659,540.26 : 177,314,462,435.34 = 70,616,090,572.94 : x
  2. Step 2: Convert to fraction form
    128,485,659,540.26/177,314,462,435.34 = 70,616,090,572.94/x
  3. Step 3: Cross multiply
    128,485,659,540.26x = 177,314,462,435.34 × 70,616,090,572.94
  4. Step 4: Simplify right side
    128,485,659,540.26x = 12,521,254,139,226,136,510,464
  5. Step 5: Solve for x
    x = 12,521,254,139,226,136,510,464/128,485,659,540.26
  6. Step 6: Final answer
    x = 97,452,542,050.44

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1.5x scale

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.