Home / 838,093,128,853.65-1,257,139,691,859.60-201,385,526,347.42

Finding the Fourth Proportional to 838,093,128,853.65, 1,257,139,691,859.60 and 201,385,526,347.42

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Solution

The fourth proportional to 838,093,128,853.65, 1,257,139,691,859.60 and 201,385,526,347.42 is: 302,078,289,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,093,128,853.65 : 1,257,139,691,859.60 = 201,385,526,347.42 : x
  2. Step 2: Convert to fraction form
    838,093,128,853.65/1,257,139,691,859.60 = 201,385,526,347.42/x
  3. Step 3: Cross multiply
    838,093,128,853.65x = 1,257,139,691,859.60 × 201,385,526,347.42
  4. Step 4: Simplify right side
    838,093,128,853.65x = 253,169,738,537,378,970,075,136
  5. Step 5: Solve for x
    x = 253,169,738,537,378,970,075,136/838,093,128,853.65
  6. Step 6: Final answer
    x = 302,078,289,179.71

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Double scale
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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.