Home / 15,087,975,054.02-20,820,467,415.75-8,313,414,522.13

Finding the Fourth Proportional to 15,087,975,054.02, 20,820,467,415.75 and 8,313,414,522.13

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Solution

The fourth proportional to 15,087,975,054.02, 20,820,467,415.75 and 8,313,414,522.13 is: 11,471,995,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,975,054.02 : 20,820,467,415.75 = 8,313,414,522.13 : x
  2. Step 2: Convert to fraction form
    15,087,975,054.02/20,820,467,415.75 = 8,313,414,522.13/x
  3. Step 3: Cross multiply
    15,087,975,054.02x = 20,820,467,415.75 × 8,313,414,522.13
  4. Step 4: Simplify right side
    15,087,975,054.02x = 173,089,176,171,630,526,464
  5. Step 5: Solve for x
    x = 173,089,176,171,630,526,464/15,087,975,054.02
  6. Step 6: Final answer
    x = 11,471,995,118.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.