Home / 434,540,000.80-651,810,001.20-189,014,258.80

Finding the Fourth Proportional to 434,540,000.80, 651,810,001.20 and 189,014,258.80

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Solution

The fourth proportional to 434,540,000.80, 651,810,001.20 and 189,014,258.80 is: 283,521,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,540,000.80 : 651,810,001.20 = 189,014,258.80 : x
  2. Step 2: Convert to fraction form
    434,540,000.80/651,810,001.20 = 189,014,258.80/x
  3. Step 3: Cross multiply
    434,540,000.80x = 651,810,001.20 × 189,014,258.80
  4. Step 4: Simplify right side
    434,540,000.80x = 123,201,384,255,245,120
  5. Step 5: Solve for x
    x = 123,201,384,255,245,120/434,540,000.80
  6. Step 6: Final answer
    x = 283,521,388.20

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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.