Home / 289,160,244,003.15-433,740,366,004.73-102,978,169,635.15

Finding the Fourth Proportional to 289,160,244,003.15, 433,740,366,004.73 and 102,978,169,635.15

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Solution

The fourth proportional to 289,160,244,003.15, 433,740,366,004.73 and 102,978,169,635.15 is: 154,467,254,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,160,244,003.15 : 433,740,366,004.73 = 102,978,169,635.15 : x
  2. Step 2: Convert to fraction form
    289,160,244,003.15/433,740,366,004.73 = 102,978,169,635.15/x
  3. Step 3: Cross multiply
    289,160,244,003.15x = 433,740,366,004.73 × 102,978,169,635.15
  4. Step 4: Simplify right side
    289,160,244,003.15x = 44,665,788,988,047,130,361,856
  5. Step 5: Solve for x
    x = 44,665,788,988,047,130,361,856/289,160,244,003.15
  6. Step 6: Final answer
    x = 154,467,254,452.73

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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.