Home / 30,505,905,261.72-45,758,012,015.60-8,121,845,652.04

Finding the Fourth Proportional to 30,505,905,261.72, 45,758,012,015.60 and 8,121,845,652.04

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Solution

The fourth proportional to 30,505,905,261.72, 45,758,012,015.60 and 8,121,845,652.04 is: 12,182,543,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,905,261.72 : 45,758,012,015.60 = 8,121,845,652.04 : x
  2. Step 2: Convert to fraction form
    30,505,905,261.72/45,758,012,015.60 = 8,121,845,652.04/x
  3. Step 3: Cross multiply
    30,505,905,261.72x = 45,758,012,015.60 × 8,121,845,652.04
  4. Step 4: Simplify right side
    30,505,905,261.72x = 371,639,510,934,894,936,064
  5. Step 5: Solve for x
    x = 371,639,510,934,894,936,064/30,505,905,261.72
  6. Step 6: Final answer
    x = 12,182,543,273.06

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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.