Home / 489,401,110.80-734,101,666.20-295,909,347.60

Finding the Fourth Proportional to 489,401,110.80, 734,101,666.20 and 295,909,347.60

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Solution

The fourth proportional to 489,401,110.80, 734,101,666.20 and 295,909,347.60 is: 443,864,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,401,110.80 : 734,101,666.20 = 295,909,347.60 : x
  2. Step 2: Convert to fraction form
    489,401,110.80/734,101,666.20 = 295,909,347.60/x
  3. Step 3: Cross multiply
    489,401,110.80x = 734,101,666.20 × 295,909,347.60
  4. Step 4: Simplify right side
    489,401,110.80x = 217,227,545,117,315,008
  5. Step 5: Solve for x
    x = 217,227,545,117,315,008/489,401,110.80
  6. Step 6: Final answer
    x = 443,864,021.40

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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.