Home / 128,485,659,538.24-177,314,462,432.58-70,616,090,570.93

Finding the Fourth Proportional to 128,485,659,538.24, 177,314,462,432.58 and 70,616,090,570.93

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Solution

The fourth proportional to 128,485,659,538.24, 177,314,462,432.58 and 70,616,090,570.93 is: 97,452,542,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,485,659,538.24 : 177,314,462,432.58 = 70,616,090,570.93 : x
  2. Step 2: Convert to fraction form
    128,485,659,538.24/177,314,462,432.58 = 70,616,090,570.93/x
  3. Step 3: Cross multiply
    128,485,659,538.24x = 177,314,462,432.58 × 70,616,090,570.93
  4. Step 4: Simplify right side
    128,485,659,538.24x = 12,521,254,138,674,832,998,400
  5. Step 5: Solve for x
    x = 12,521,254,138,674,832,998,400/128,485,659,538.24
  6. Step 6: Final answer
    x = 97,452,542,047.68

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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.