Home / 20,893,978,599.84-31,340,092,484.45-6,728,630,809.19

Finding the Fourth Proportional to 20,893,978,599.84, 31,340,092,484.45 and 6,728,630,809.19

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Solution

The fourth proportional to 20,893,978,599.84, 31,340,092,484.45 and 6,728,630,809.19 is: 10,092,664,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893,978,599.84 : 31,340,092,484.45 = 6,728,630,809.19 : x
  2. Step 2: Convert to fraction form
    20,893,978,599.84/31,340,092,484.45 = 6,728,630,809.19/x
  3. Step 3: Cross multiply
    20,893,978,599.84x = 31,340,092,484.45 × 6,728,630,809.19
  4. Step 4: Simplify right side
    20,893,978,599.84x = 210,875,911,853,591,003,136
  5. Step 5: Solve for x
    x = 210,875,911,853,591,003,136/20,893,978,599.84
  6. Step 6: Final answer
    x = 10,092,664,297.80

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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.