Home / 8,428,054,415.22-11,629,236,690.09-4,809,425,979.06

Finding the Fourth Proportional to 8,428,054,415.22, 11,629,236,690.09 and 4,809,425,979.06

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Solution

The fourth proportional to 8,428,054,415.22, 11,629,236,690.09 and 4,809,425,979.06 is: 6,636,164,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,054,415.22 : 11,629,236,690.09 = 4,809,425,979.06 : x
  2. Step 2: Convert to fraction form
    8,428,054,415.22/11,629,236,690.09 = 4,809,425,979.06/x
  3. Step 3: Cross multiply
    8,428,054,415.22x = 11,629,236,690.09 × 4,809,425,979.06
  4. Step 4: Simplify right side
    8,428,054,415.22x = 55,929,953,053,956,579,328
  5. Step 5: Solve for x
    x = 55,929,953,053,956,579,328/8,428,054,415.22
  6. Step 6: Final answer
    x = 6,636,164,208.07

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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.