Finding the Fourth Proportional to 2,877,878,420.12, 4,317,229,418.99 and 886,089,006.15
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Solution
The fourth proportional to 2,877,878,420.12, 4,317,229,418.99 and 886,089,006.15 is: 1,329,260,297.60
Step by Step Solution
- Step 1: Write the proportion equation
2,877,878,420.12 : 4,317,229,418.99 = 886,089,006.15 : x - Step 2: Convert to fraction form
2,877,878,420.12/4,317,229,418.99 = 886,089,006.15/x - Step 3: Cross multiply
2,877,878,420.12x = 4,317,229,418.99 × 886,089,006.15 - Step 4: Simplify right side
2,877,878,420.12x = 3,825,449,525,189,960,192 - Step 5: Solve for x
x = 3,825,449,525,189,960,192/2,877,878,420.12 - Step 6: Final answer
x = 1,329,260,297.60
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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.