Home / 1,265,505,184.80-1,898,257,777.20-345,474,525.60

Finding the Fourth Proportional to 1,265,505,184.80, 1,898,257,777.20 and 345,474,525.60

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Solution

The fourth proportional to 1,265,505,184.80, 1,898,257,777.20 and 345,474,525.60 is: 518,211,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,505,184.80 : 1,898,257,777.20 = 345,474,525.60 : x
  2. Step 2: Convert to fraction form
    1,265,505,184.80/1,898,257,777.20 = 345,474,525.60/x
  3. Step 3: Cross multiply
    1,265,505,184.80x = 1,898,257,777.20 × 345,474,525.60
  4. Step 4: Simplify right side
    1,265,505,184.80x = 655,799,705,044,680,576
  5. Step 5: Solve for x
    x = 655,799,705,044,680,576/1,265,505,184.80
  6. Step 6: Final answer
    x = 518,211,788.40

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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.