Home / 128,485,659,560.67-177,314,462,463.46-70,616,090,593.31

Finding the Fourth Proportional to 128,485,659,560.67, 177,314,462,463.46 and 70,616,090,593.31

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Solution

The fourth proportional to 128,485,659,560.67, 177,314,462,463.46 and 70,616,090,593.31 is: 97,452,542,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,485,659,560.67 : 177,314,462,463.46 = 70,616,090,593.31 : x
  2. Step 2: Convert to fraction form
    128,485,659,560.67/177,314,462,463.46 = 70,616,090,593.31/x
  3. Step 3: Cross multiply
    128,485,659,560.67x = 177,314,462,463.46 × 70,616,090,593.31
  4. Step 4: Simplify right side
    128,485,659,560.67x = 12,521,254,144,822,868,967,424
  5. Step 5: Solve for x
    x = 12,521,254,144,822,868,967,424/128,485,659,560.67
  6. Step 6: Final answer
    x = 97,452,542,078.52

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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.