Finding the Fourth Proportional to 2,585,824,216.17, 3,878,736,375.57 and 620,677,295.14
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Solution
The fourth proportional to 2,585,824,216.17, 3,878,736,375.57 and 620,677,295.14 is: 931,015,955.03
Step by Step Solution
- Step 1: Write the proportion equation
2,585,824,216.17 : 3,878,736,375.57 = 620,677,295.14 : x - Step 2: Convert to fraction form
2,585,824,216.17/3,878,736,375.57 = 620,677,295.14/x - Step 3: Cross multiply
2,585,824,216.17x = 3,878,736,375.57 × 620,677,295.14 - Step 4: Simplify right side
2,585,824,216.17x = 2,407,443,602,146,098,176 - Step 5: Solve for x
x = 2,407,443,602,146,098,176/2,585,824,216.17 - Step 6: Final answer
x = 931,015,955.03
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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.