Home / 21,451,406,999.76-32,181,741,897.84-6,529,739,396.40

Finding the Fourth Proportional to 21,451,406,999.76, 32,181,741,897.84 and 6,529,739,396.40

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Solution

The fourth proportional to 21,451,406,999.76, 32,181,741,897.84 and 6,529,739,396.40 is: 9,796,018,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451,406,999.76 : 32,181,741,897.84 = 6,529,739,396.40 : x
  2. Step 2: Convert to fraction form
    21,451,406,999.76/32,181,741,897.84 = 6,529,739,396.40/x
  3. Step 3: Cross multiply
    21,451,406,999.76x = 32,181,741,897.84 × 6,529,739,396.40
  4. Step 4: Simplify right side
    21,451,406,999.76x = 210,138,387,915,102,355,456
  5. Step 5: Solve for x
    x = 210,138,387,915,102,355,456/21,451,406,999.76
  6. Step 6: Final answer
    x = 9,796,018,877.34

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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.