Home / 451,692,401.65-677,570,987.09-189,112,717.96

Finding the Fourth Proportional to 451,692,401.65, 677,570,987.09 and 189,112,717.96

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Solution

The fourth proportional to 451,692,401.65, 677,570,987.09 and 189,112,717.96 is: 283,682,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,692,401.65 : 677,570,987.09 = 189,112,717.96 : x
  2. Step 2: Convert to fraction form
    451,692,401.65/677,570,987.09 = 189,112,717.96/x
  3. Step 3: Cross multiply
    451,692,401.65x = 677,570,987.09 × 189,112,717.96
  4. Step 4: Simplify right side
    451,692,401.65x = 128,137,290,979,429,984
  5. Step 5: Solve for x
    x = 128,137,290,979,429,984/451,692,401.65
  6. Step 6: Final answer
    x = 283,682,635.60

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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.