Finding the Fourth Proportional to 8,028,938,666,905.40, 12,043,392,968,305 and 2,515,776,765,793.70
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Solution
The fourth proportional to 8,028,938,666,905.40, 12,043,392,968,305 and 2,515,776,765,793.70 is: 3,773,660,438,567.39
Step by Step Solution
- Step 1: Write the proportion equation
8,028,938,666,905.40 : 12,043,392,968,305 = 2,515,776,765,793.70 : x - Step 2: Convert to fraction form
8,028,938,666,905.40/12,043,392,968,305 = 2,515,776,765,793.70/x - Step 3: Cross multiply
8,028,938,666,905.40x = 12,043,392,968,305 × 2,515,776,765,793.70 - Step 4: Simplify right side
8,028,938,666,905.40x = 30,298,488,210,984,942,205,665,280 - Step 5: Solve for x
x = 30,298,488,210,984,942,205,665,280/8,028,938,666,905.40 - Step 6: Final answer
x = 3,773,660,438,567.39
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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.