Home / 261,617,610,085.28-361,099,475,519.59-170,393,483,217.86

Finding the Fourth Proportional to 261,617,610,085.28, 361,099,475,519.59 and 170,393,483,217.86

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Solution

The fourth proportional to 261,617,610,085.28, 361,099,475,519.59 and 170,393,483,217.86 is: 235,186,757,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,617,610,085.28 : 361,099,475,519.59 = 170,393,483,217.86 : x
  2. Step 2: Convert to fraction form
    261,617,610,085.28/361,099,475,519.59 = 170,393,483,217.86/x
  3. Step 3: Cross multiply
    261,617,610,085.28x = 361,099,475,519.59 × 170,393,483,217.86
  4. Step 4: Simplify right side
    261,617,610,085.28x = 61,528,997,421,925,307,252,736
  5. Step 5: Solve for x
    x = 61,528,997,421,925,307,252,736/261,617,610,085.28
  6. Step 6: Final answer
    x = 235,186,757,504.09

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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.