Home / 706,124,615.20-1,059,186,922.80-221,449,645.60

Finding the Fourth Proportional to 706,124,615.20, 1,059,186,922.80 and 221,449,645.60

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Solution

The fourth proportional to 706,124,615.20, 1,059,186,922.80 and 221,449,645.60 is: 332,174,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,124,615.20 : 1,059,186,922.80 = 221,449,645.60 : x
  2. Step 2: Convert to fraction form
    706,124,615.20/1,059,186,922.80 = 221,449,645.60/x
  3. Step 3: Cross multiply
    706,124,615.20x = 1,059,186,922.80 × 221,449,645.60
  4. Step 4: Simplify right side
    706,124,615.20x = 234,556,568,678,214,528
  5. Step 5: Solve for x
    x = 234,556,568,678,214,528/706,124,615.20
  6. Step 6: Final answer
    x = 332,174,468.40

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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.