Home / 261,617,610,089.78-361,099,475,525.42-170,393,483,222.10

Finding the Fourth Proportional to 261,617,610,089.78, 361,099,475,525.42 and 170,393,483,222.10

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Solution

The fourth proportional to 261,617,610,089.78, 361,099,475,525.42 and 170,393,483,222.10 is: 235,186,757,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,617,610,089.78 : 361,099,475,525.42 = 170,393,483,222.10 : x
  2. Step 2: Convert to fraction form
    261,617,610,089.78/361,099,475,525.42 = 170,393,483,222.10/x
  3. Step 3: Cross multiply
    261,617,610,089.78x = 361,099,475,525.42 × 170,393,483,222.10
  4. Step 4: Simplify right side
    261,617,610,089.78x = 61,528,997,424,449,758,167,040
  5. Step 5: Solve for x
    x = 61,528,997,424,449,758,167,040/261,617,610,089.78
  6. Step 6: Final answer
    x = 235,186,757,509.69

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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.