Home / 13,899,120,655,690-19,180,789,635,690-7,648,985,675,942.60

Finding the Fourth Proportional to 13,899,120,655,690, 19,180,789,635,690 and 7,648,985,675,942.60

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Solution

The fourth proportional to 13,899,120,655,690, 19,180,789,635,690 and 7,648,985,675,942.60 is: 10,555,601,955,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,120,655,690 : 19,180,789,635,690 = 7,648,985,675,942.60 : x
  2. Step 2: Convert to fraction form
    13,899,120,655,690/19,180,789,635,690 = 7,648,985,675,942.60/x
  3. Step 3: Cross multiply
    13,899,120,655,690x = 19,180,789,635,690 × 7,648,985,675,942.60
  4. Step 4: Simplify right side
    13,899,120,655,690x = 146,713,585,176,661,091,405,529,088
  5. Step 5: Solve for x
    x = 146,713,585,176,661,091,405,529,088/13,899,120,655,690
  6. Step 6: Final answer
    x = 10,555,601,955,768.31

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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.