Finding the Fourth Proportional to 2,447,991,323.84, 3,672,707,420.48 and 789,867,503.20
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Solution
The fourth proportional to 2,447,991,323.84, 3,672,707,420.48 and 789,867,503.20 is: 1,185,033,709.86
Step by Step Solution
- Step 1: Write the proportion equation
2,447,991,323.84 : 3,672,707,420.48 = 789,867,503.20 : x - Step 2: Convert to fraction form
2,447,991,323.84/3,672,707,420.48 = 789,867,503.20/x - Step 3: Cross multiply
2,447,991,323.84x = 3,672,707,420.48 × 789,867,503.20 - Step 4: Simplify right side
2,447,991,323.84x = 2,900,952,240,198,650,368 - Step 5: Solve for x
x = 2,900,952,240,198,650,368/2,447,991,323.84 - Step 6: Final answer
x = 1,185,033,709.86
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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.