Home / 2,556,005,512.60-3,830,984,960.10-1,328,542,139.80

Finding the Fourth Proportional to 2,556,005,512.60, 3,830,984,960.10 and 1,328,542,139.80

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Solution

The fourth proportional to 2,556,005,512.60, 3,830,984,960.10 and 1,328,542,139.80 is: 1,991,241,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,005,512.60 : 3,830,984,960.10 = 1,328,542,139.80 : x
  2. Step 2: Convert to fraction form
    2,556,005,512.60/3,830,984,960.10 = 1,328,542,139.80/x
  3. Step 3: Cross multiply
    2,556,005,512.60x = 3,830,984,960.10 × 1,328,542,139.80
  4. Step 4: Simplify right side
    2,556,005,512.60x = 5,089,624,956,432,871,424
  5. Step 5: Solve for x
    x = 5,089,624,956,432,871,424/2,556,005,512.60
  6. Step 6: Final answer
    x = 1,991,241,776.02

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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.