Home / 1,139,056,356,418-1,571,899,328,455.60-618,211,782,786.58

Finding the Fourth Proportional to 1,139,056,356,418, 1,571,899,328,455.60 and 618,211,782,786.58

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Solution

The fourth proportional to 1,139,056,356,418, 1,571,899,328,455.60 and 618,211,782,786.58 is: 853,133,105,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,056,356,418 : 1,571,899,328,455.60 = 618,211,782,786.58 : x
  2. Step 2: Convert to fraction form
    1,139,056,356,418/1,571,899,328,455.60 = 618,211,782,786.58/x
  3. Step 3: Cross multiply
    1,139,056,356,418x = 1,571,899,328,455.60 × 618,211,782,786.58
  4. Step 4: Simplify right side
    1,139,056,356,418x = 971,766,686,205,564,348,792,832
  5. Step 5: Solve for x
    x = 971,766,686,205,564,348,792,832/1,139,056,356,418
  6. Step 6: Final answer
    x = 853,133,105,074.35

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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.