Home / 298,933,556.40-448,484,315.40-145,584,615.60

Finding the Fourth Proportional to 298,933,556.40, 448,484,315.40 and 145,584,615.60

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Solution

The fourth proportional to 298,933,556.40, 448,484,315.40 and 145,584,615.60 is: 218,417,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,933,556.40 : 448,484,315.40 = 145,584,615.60 : x
  2. Step 2: Convert to fraction form
    298,933,556.40/448,484,315.40 = 145,584,615.60/x
  3. Step 3: Cross multiply
    298,933,556.40x = 448,484,315.40 × 145,584,615.60
  4. Step 4: Simplify right side
    298,933,556.40x = 65,292,416,660,138,152
  5. Step 5: Solve for x
    x = 65,292,416,660,138,152/298,933,556.40
  6. Step 6: Final answer
    x = 218,417,823.17

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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.