Home / 5,633,271,380.40-8,449,907,070.60-5,394,429,985.20

Finding the Fourth Proportional to 5,633,271,380.40, 8,449,907,070.60 and 5,394,429,985.20

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Solution

The fourth proportional to 5,633,271,380.40, 8,449,907,070.60 and 5,394,429,985.20 is: 8,091,644,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633,271,380.40 : 8,449,907,070.60 = 5,394,429,985.20 : x
  2. Step 2: Convert to fraction form
    5,633,271,380.40/8,449,907,070.60 = 5,394,429,985.20/x
  3. Step 3: Cross multiply
    5,633,271,380.40x = 8,449,907,070.60 × 5,394,429,985.20
  4. Step 4: Simplify right side
    5,633,271,380.40x = 45,582,432,073,798,131,712
  5. Step 5: Solve for x
    x = 45,582,432,073,798,131,712/5,633,271,380.40
  6. Step 6: Final answer
    x = 8,091,644,977.80

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Double scale
Find fourth proportional to 5,633,271,381.40, 8,449,907,072.10 and 5,394,429,986.20
Similar ratio
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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.