Finding the Fourth Proportional to 4,938,777,530.79, 7,409,621,567.30 and 1,989,539,504.79
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Solution
The fourth proportional to 4,938,777,530.79, 7,409,621,567.30 and 1,989,539,504.79 is: 2,984,895,499.30
Step by Step Solution
- Step 1: Write the proportion equation
4,938,777,530.79 : 7,409,621,567.30 = 1,989,539,504.79 : x - Step 2: Convert to fraction form
4,938,777,530.79/7,409,621,567.30 = 1,989,539,504.79/x - Step 3: Cross multiply
4,938,777,530.79x = 7,409,621,567.30 × 1,989,539,504.79 - Step 4: Simplify right side
4,938,777,530.79x = 14,741,734,823,696,449,536 - Step 5: Solve for x
x = 14,741,734,823,696,449,536/4,938,777,530.79 - Step 6: Final answer
x = 2,984,895,499.30
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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.