Home / 18,852,312,896.03-28,281,374,997.81-6,427,737,813.80

Finding the Fourth Proportional to 18,852,312,896.03, 28,281,374,997.81 and 6,427,737,813.80

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Solution

The fourth proportional to 18,852,312,896.03, 28,281,374,997.81 and 6,427,737,813.80 is: 9,642,597,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,312,896.03 : 28,281,374,997.81 = 6,427,737,813.80 : x
  2. Step 2: Convert to fraction form
    18,852,312,896.03/28,281,374,997.81 = 6,427,737,813.80/x
  3. Step 3: Cross multiply
    18,852,312,896.03x = 28,281,374,997.81 × 6,427,737,813.80
  4. Step 4: Simplify right side
    18,852,312,896.03x = 181,785,263,499,681,234,944
  5. Step 5: Solve for x
    x = 181,785,263,499,681,234,944/18,852,312,896.03
  6. Step 6: Final answer
    x = 9,642,597,409.78

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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.