Home / 299,693,386.80-449,540,080.20-156,067,556.40

Finding the Fourth Proportional to 299,693,386.80, 449,540,080.20 and 156,067,556.40

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Solution

The fourth proportional to 299,693,386.80, 449,540,080.20 and 156,067,556.40 is: 234,101,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,693,386.80 : 449,540,080.20 = 156,067,556.40 : x
  2. Step 2: Convert to fraction form
    299,693,386.80/449,540,080.20 = 156,067,556.40/x
  3. Step 3: Cross multiply
    299,693,386.80x = 449,540,080.20 × 156,067,556.40
  4. Step 4: Simplify right side
    299,693,386.80x = 70,158,621,820,674,024
  5. Step 5: Solve for x
    x = 70,158,621,820,674,024/299,693,386.80
  6. Step 6: Final answer
    x = 234,101,334.60

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1.5x scale

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.