Home / 854,638,896.60-1,281,958,344.90-845,568,970.20

Finding the Fourth Proportional to 854,638,896.60, 1,281,958,344.90 and 845,568,970.20

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Solution

The fourth proportional to 854,638,896.60, 1,281,958,344.90 and 845,568,970.20 is: 1,268,353,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,638,896.60 : 1,281,958,344.90 = 845,568,970.20 : x
  2. Step 2: Convert to fraction form
    854,638,896.60/1,281,958,344.90 = 845,568,970.20/x
  3. Step 3: Cross multiply
    854,638,896.60x = 1,281,958,344.90 × 845,568,970.20
  4. Step 4: Simplify right side
    854,638,896.60x = 1,083,984,197,536,389,504
  5. Step 5: Solve for x
    x = 1,083,984,197,536,389,504/854,638,896.60
  6. Step 6: Final answer
    x = 1,268,353,455.30

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1.5x scale

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.