Finding the Fourth Proportional to 7,888,914,204.30, 11,833,371,306.45 and 3,812,050,716.30
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Solution
The fourth proportional to 7,888,914,204.30, 11,833,371,306.45 and 3,812,050,716.30 is: 5,718,076,074.45
Step by Step Solution
- Step 1: Write the proportion equation
7,888,914,204.30 : 11,833,371,306.45 = 3,812,050,716.30 : x - Step 2: Convert to fraction form
7,888,914,204.30/11,833,371,306.45 = 3,812,050,716.30/x - Step 3: Cross multiply
7,888,914,204.30x = 11,833,371,306.45 × 3,812,050,716.30 - Step 4: Simplify right side
7,888,914,204.30x = 45,109,411,564,996,591,616 - Step 5: Solve for x
x = 45,109,411,564,996,591,616/7,888,914,204.30 - Step 6: Final answer
x = 5,718,076,074.45
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Double scale
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Similar ratio
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1.5x scale
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.