Finding the Fourth Proportional to 1,494,984,140.85, 2,242,476,211.28 and 718,442,551.65
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Solution
The fourth proportional to 1,494,984,140.85, 2,242,476,211.28 and 718,442,551.65 is: 1,077,663,827.48
Step by Step Solution
- Step 1: Write the proportion equation
1,494,984,140.85 : 2,242,476,211.28 = 718,442,551.65 : x - Step 2: Convert to fraction form
1,494,984,140.85/2,242,476,211.28 = 718,442,551.65/x - Step 3: Cross multiply
1,494,984,140.85x = 2,242,476,211.28 × 718,442,551.65 - Step 4: Simplify right side
1,494,984,140.85x = 1,611,090,331,242,835,456 - Step 5: Solve for x
x = 1,611,090,331,242,835,456/1,494,984,140.85 - Step 6: Final answer
x = 1,077,663,827.48
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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.