Home / 462,080,133.60-693,120,200.40-189,360,261.60

Finding the Fourth Proportional to 462,080,133.60, 693,120,200.40 and 189,360,261.60

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Solution

The fourth proportional to 462,080,133.60, 693,120,200.40 and 189,360,261.60 is: 284,040,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,080,133.60 : 693,120,200.40 = 189,360,261.60 : x
  2. Step 2: Convert to fraction form
    462,080,133.60/693,120,200.40 = 189,360,261.60/x
  3. Step 3: Cross multiply
    462,080,133.60x = 693,120,200.40 × 189,360,261.60
  4. Step 4: Simplify right side
    462,080,133.60x = 131,249,422,467,988,416
  5. Step 5: Solve for x
    x = 131,249,422,467,988,416/462,080,133.60
  6. Step 6: Final answer
    x = 284,040,392.40

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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.