Home / 28,164,672,000.80-42,247,008,001.20-14,184,892,109.60

Finding the Fourth Proportional to 28,164,672,000.80, 42,247,008,001.20 and 14,184,892,109.60

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Solution

The fourth proportional to 28,164,672,000.80, 42,247,008,001.20 and 14,184,892,109.60 is: 21,277,338,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164,672,000.80 : 42,247,008,001.20 = 14,184,892,109.60 : x
  2. Step 2: Convert to fraction form
    28,164,672,000.80/42,247,008,001.20 = 14,184,892,109.60/x
  3. Step 3: Cross multiply
    28,164,672,000.80x = 42,247,008,001.20 × 14,184,892,109.60
  4. Step 4: Simplify right side
    28,164,672,000.80x = 599,269,250,450,429,968,384
  5. Step 5: Solve for x
    x = 599,269,250,450,429,968,384/28,164,672,000.80
  6. Step 6: Final answer
    x = 21,277,338,164.40

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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.