Home / 730,682,072.65-1,008,362,527.22-413,135,497.31

Finding the Fourth Proportional to 730,682,072.65, 1,008,362,527.22 and 413,135,497.31

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Solution

The fourth proportional to 730,682,072.65, 1,008,362,527.22 and 413,135,497.31 is: 570,139,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,682,072.65 : 1,008,362,527.22 = 413,135,497.31 : x
  2. Step 2: Convert to fraction form
    730,682,072.65/1,008,362,527.22 = 413,135,497.31/x
  3. Step 3: Cross multiply
    730,682,072.65x = 1,008,362,527.22 × 413,135,497.31
  4. Step 4: Simplify right side
    730,682,072.65x = 416,590,354,151,803,136
  5. Step 5: Solve for x
    x = 416,590,354,151,803,136/730,682,072.65
  6. Step 6: Final answer
    x = 570,139,010.86

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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.