Finding the Fourth Proportional to 2,645,998,638.18, 3,969,595,903.52 and 875,365,203.95
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Solution
The fourth proportional to 2,645,998,638.18, 3,969,595,903.52 and 875,365,203.95 is: 1,313,245,622.10
Step by Step Solution
- Step 1: Write the proportion equation
2,645,998,638.18 : 3,969,595,903.52 = 875,365,203.95 : x - Step 2: Convert to fraction form
2,645,998,638.18/3,969,595,903.52 = 875,365,203.95/x - Step 3: Cross multiply
2,645,998,638.18x = 3,969,595,903.52 × 875,365,203.95 - Step 4: Simplify right side
2,645,998,638.18x = 3,474,846,127,683,869,696 - Step 5: Solve for x
x = 3,474,846,127,683,869,696/2,645,998,638.18 - Step 6: Final answer
x = 1,313,245,622.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.