Home / 1,139,056,356,263.90-1,571,899,328,242.80-618,211,782,631.89

Finding the Fourth Proportional to 1,139,056,356,263.90, 1,571,899,328,242.80 and 618,211,782,631.89

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Solution

The fourth proportional to 1,139,056,356,263.90, 1,571,899,328,242.80 and 618,211,782,631.89 is: 853,133,104,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,056,356,263.90 : 1,571,899,328,242.80 = 618,211,782,631.89 : x
  2. Step 2: Convert to fraction form
    1,139,056,356,263.90/1,571,899,328,242.80 = 618,211,782,631.89/x
  3. Step 3: Cross multiply
    1,139,056,356,263.90x = 1,571,899,328,242.80 × 618,211,782,631.89
  4. Step 4: Simplify right side
    1,139,056,356,263.90x = 971,766,685,830,851,806,101,504
  5. Step 5: Solve for x
    x = 971,766,685,830,851,806,101,504/1,139,056,356,263.90
  6. Step 6: Final answer
    x = 853,133,104,860.80

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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.