Finding the Fourth Proportional to 5,214,492,045.60, 7,821,738,068.40 and 3,561,497,959.20
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Solution
The fourth proportional to 5,214,492,045.60, 7,821,738,068.40 and 3,561,497,959.20 is: 5,342,246,938.80
Step by Step Solution
- Step 1: Write the proportion equation
5,214,492,045.60 : 7,821,738,068.40 = 3,561,497,959.20 : x - Step 2: Convert to fraction form
5,214,492,045.60/7,821,738,068.40 = 3,561,497,959.20/x - Step 3: Cross multiply
5,214,492,045.60x = 7,821,738,068.40 × 3,561,497,959.20 - Step 4: Simplify right side
5,214,492,045.60x = 27,857,104,168,003,547,136 - Step 5: Solve for x
x = 27,857,104,168,003,547,136/5,214,492,045.60 - Step 6: Final answer
x = 5,342,246,938.80
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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.