Home / 1,139,056,356,592-1,571,899,328,694.10-618,211,782,958.45

Finding the Fourth Proportional to 1,139,056,356,592, 1,571,899,328,694.10 and 618,211,782,958.45

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Solution

The fourth proportional to 1,139,056,356,592, 1,571,899,328,694.10 and 618,211,782,958.45 is: 853,133,105,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,056,356,592 : 1,571,899,328,694.10 = 618,211,782,958.45 : x
  2. Step 2: Convert to fraction form
    1,139,056,356,592/1,571,899,328,694.10 = 618,211,782,958.45/x
  3. Step 3: Cross multiply
    1,139,056,356,592x = 1,571,899,328,694.10 × 618,211,782,958.45
  4. Step 4: Simplify right side
    1,139,056,356,592x = 971,766,686,623,170,192,998,400
  5. Step 5: Solve for x
    x = 971,766,686,623,170,192,998,400/1,139,056,356,592
  6. Step 6: Final answer
    x = 853,133,105,310.65

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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.