Home / 20,297,232,295.20-30,445,848,442.80-18,919,737,223.20

Finding the Fourth Proportional to 20,297,232,295.20, 30,445,848,442.80 and 18,919,737,223.20

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Solution

The fourth proportional to 20,297,232,295.20, 30,445,848,442.80 and 18,919,737,223.20 is: 28,379,605,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297,232,295.20 : 30,445,848,442.80 = 18,919,737,223.20 : x
  2. Step 2: Convert to fraction form
    20,297,232,295.20/30,445,848,442.80 = 18,919,737,223.20/x
  3. Step 3: Cross multiply
    20,297,232,295.20x = 30,445,848,442.80 × 18,919,737,223.20
  4. Step 4: Simplify right side
    20,297,232,295.20x = 576,027,452,075,148,902,400
  5. Step 5: Solve for x
    x = 576,027,452,075,148,902,400/20,297,232,295.20
  6. Step 6: Final answer
    x = 28,379,605,834.80

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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.