Home / 1,139,056,356,332.20-1,571,899,328,337.10-618,211,782,700.44

Finding the Fourth Proportional to 1,139,056,356,332.20, 1,571,899,328,337.10 and 618,211,782,700.44

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Solution

The fourth proportional to 1,139,056,356,332.20, 1,571,899,328,337.10 and 618,211,782,700.44 is: 853,133,104,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,056,356,332.20 : 1,571,899,328,337.10 = 618,211,782,700.44 : x
  2. Step 2: Convert to fraction form
    1,139,056,356,332.20/1,571,899,328,337.10 = 618,211,782,700.44/x
  3. Step 3: Cross multiply
    1,139,056,356,332.20x = 1,571,899,328,337.10 × 618,211,782,700.44
  4. Step 4: Simplify right side
    1,139,056,356,332.20x = 971,766,685,996,902,757,957,632
  5. Step 5: Solve for x
    x = 971,766,685,996,902,757,957,632/1,139,056,356,332.20
  6. Step 6: Final answer
    x = 853,133,104,955.43

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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.