Home / 451,343,146.80-677,014,720.20-193,062,820.80

Finding the Fourth Proportional to 451,343,146.80, 677,014,720.20 and 193,062,820.80

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Solution

The fourth proportional to 451,343,146.80, 677,014,720.20 and 193,062,820.80 is: 289,594,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,343,146.80 : 677,014,720.20 = 193,062,820.80 : x
  2. Step 2: Convert to fraction form
    451,343,146.80/677,014,720.20 = 193,062,820.80/x
  3. Step 3: Cross multiply
    451,343,146.80x = 677,014,720.20 × 193,062,820.80
  4. Step 4: Simplify right side
    451,343,146.80x = 130,706,371,604,934,752
  5. Step 5: Solve for x
    x = 130,706,371,604,934,752/451,343,146.80
  6. Step 6: Final answer
    x = 289,594,231.20

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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.