Home / 365,975,735.14-505,055,289.86-198,719,045.34

Finding the Fourth Proportional to 365,975,735.14, 505,055,289.86 and 198,719,045.34

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Solution

The fourth proportional to 365,975,735.14, 505,055,289.86 and 198,719,045.34 is: 274,237,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,975,735.14 : 505,055,289.86 = 198,719,045.34 : x
  2. Step 2: Convert to fraction form
    365,975,735.14/505,055,289.86 = 198,719,045.34/x
  3. Step 3: Cross multiply
    365,975,735.14x = 505,055,289.86 × 198,719,045.34
  4. Step 4: Simplify right side
    365,975,735.14x = 100,364,105,044,896,192
  5. Step 5: Solve for x
    x = 100,364,105,044,896,192/365,975,735.14
  6. Step 6: Final answer
    x = 274,237,047.45

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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.