Home / 1,090,375,090.76-1,635,595,907.09-426,362,590.37

Finding the Fourth Proportional to 1,090,375,090.76, 1,635,595,907.09 and 426,362,590.37

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Solution

The fourth proportional to 1,090,375,090.76, 1,635,595,907.09 and 426,362,590.37 is: 639,556,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,375,090.76 : 1,635,595,907.09 = 426,362,590.37 : x
  2. Step 2: Convert to fraction form
    1,090,375,090.76/1,635,595,907.09 = 426,362,590.37/x
  3. Step 3: Cross multiply
    1,090,375,090.76x = 1,635,595,907.09 × 426,362,590.37
  4. Step 4: Simplify right side
    1,090,375,090.76x = 697,356,907,735,152,512
  5. Step 5: Solve for x
    x = 697,356,907,735,152,512/1,090,375,090.76
  6. Step 6: Final answer
    x = 639,556,895.28

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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.