Home / 20,194,758,474.90-30,292,137,712.35-13,582,782,129.30

Finding the Fourth Proportional to 20,194,758,474.90, 30,292,137,712.35 and 13,582,782,129.30

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Solution

The fourth proportional to 20,194,758,474.90, 30,292,137,712.35 and 13,582,782,129.30 is: 20,374,173,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,758,474.90 : 30,292,137,712.35 = 13,582,782,129.30 : x
  2. Step 2: Convert to fraction form
    20,194,758,474.90/30,292,137,712.35 = 13,582,782,129.30/x
  3. Step 3: Cross multiply
    20,194,758,474.90x = 30,292,137,712.35 × 13,582,782,129.30
  4. Step 4: Simplify right side
    20,194,758,474.90x = 411,451,506,777,602,129,920
  5. Step 5: Solve for x
    x = 411,451,506,777,602,129,920/20,194,758,474.90
  6. Step 6: Final answer
    x = 20,374,173,193.95

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Double scale
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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.