Home / 20,860,439,276.40-31,290,658,914.60-14,248,462,930.80

Finding the Fourth Proportional to 20,860,439,276.40, 31,290,658,914.60 and 14,248,462,930.80

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Solution

The fourth proportional to 20,860,439,276.40, 31,290,658,914.60 and 14,248,462,930.80 is: 21,372,694,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,439,276.40 : 31,290,658,914.60 = 14,248,462,930.80 : x
  2. Step 2: Convert to fraction form
    20,860,439,276.40/31,290,658,914.60 = 14,248,462,930.80/x
  3. Step 3: Cross multiply
    20,860,439,276.40x = 31,290,658,914.60 × 14,248,462,930.80
  4. Step 4: Simplify right side
    20,860,439,276.40x = 445,843,793,624,984,649,728
  5. Step 5: Solve for x
    x = 445,843,793,624,984,649,728/20,860,439,276.40
  6. Step 6: Final answer
    x = 21,372,694,396.20

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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.