Home / 730,682,071.65-1,008,362,525.84-413,135,496.31

Finding the Fourth Proportional to 730,682,071.65, 1,008,362,525.84 and 413,135,496.31

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Solution

The fourth proportional to 730,682,071.65, 1,008,362,525.84 and 413,135,496.31 is: 570,139,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,682,071.65 : 1,008,362,525.84 = 413,135,496.31 : x
  2. Step 2: Convert to fraction form
    730,682,071.65/1,008,362,525.84 = 413,135,496.31/x
  3. Step 3: Cross multiply
    730,682,071.65x = 1,008,362,525.84 × 413,135,496.31
  4. Step 4: Simplify right side
    730,682,071.65x = 416,590,352,572,192,640
  5. Step 5: Solve for x
    x = 416,590,352,572,192,640/730,682,071.65
  6. Step 6: Final answer
    x = 570,139,009.48

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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.