Home / 79,275,760,858.89-109,402,873,112.68-43,149,133,197.59

Finding the Fourth Proportional to 79,275,760,858.89, 109,402,873,112.68 and 43,149,133,197.59

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Solution

The fourth proportional to 79,275,760,858.89, 109,402,873,112.68 and 43,149,133,197.59 is: 59,547,068,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,275,760,858.89 : 109,402,873,112.68 = 43,149,133,197.59 : x
  2. Step 2: Convert to fraction form
    79,275,760,858.89/109,402,873,112.68 = 43,149,133,197.59/x
  3. Step 3: Cross multiply
    79,275,760,858.89x = 109,402,873,112.68 × 43,149,133,197.59
  4. Step 4: Simplify right side
    79,275,760,858.89x = 4,720,639,144,137,519,529,984
  5. Step 5: Solve for x
    x = 4,720,639,144,137,519,529,984/79,275,760,858.89
  6. Step 6: Final answer
    x = 59,547,068,271.48

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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.