Home / 838,093,128,852.77-1,257,139,691,858.40-201,385,526,346.54

Finding the Fourth Proportional to 838,093,128,852.77, 1,257,139,691,858.40 and 201,385,526,346.54

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Solution

The fourth proportional to 838,093,128,852.77, 1,257,139,691,858.40 and 201,385,526,346.54 is: 302,078,289,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,093,128,852.77 : 1,257,139,691,858.40 = 201,385,526,346.54 : x
  2. Step 2: Convert to fraction form
    838,093,128,852.77/1,257,139,691,858.40 = 201,385,526,346.54/x
  3. Step 3: Cross multiply
    838,093,128,852.77x = 1,257,139,691,858.40 × 201,385,526,346.54
  4. Step 4: Simplify right side
    838,093,128,852.77x = 253,169,738,536,030,987,878,400
  5. Step 5: Solve for x
    x = 253,169,738,536,030,987,878,400/838,093,128,852.77
  6. Step 6: Final answer
    x = 302,078,289,178.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.