Home / 301,486,401.45-451,844,387.90-243,221,556.03

Finding the Fourth Proportional to 301,486,401.45, 451,844,387.90 and 243,221,556.03

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Solution

The fourth proportional to 301,486,401.45, 451,844,387.90 and 243,221,556.03 is: 364,521,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,486,401.45 : 451,844,387.90 = 243,221,556.03 : x
  2. Step 2: Convert to fraction form
    301,486,401.45/451,844,387.90 = 243,221,556.03/x
  3. Step 3: Cross multiply
    301,486,401.45x = 451,844,387.90 × 243,221,556.03
  4. Step 4: Simplify right side
    301,486,401.45x = 109,898,295,105,680,640
  5. Step 5: Solve for x
    x = 109,898,295,105,680,640/301,486,401.45
  6. Step 6: Final answer
    x = 364,521,565.74

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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.