Finding the Fourth Proportional to 2,984,186,750.40, 4,476,280,125.60 and 885,738,817.80
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Solution
The fourth proportional to 2,984,186,750.40, 4,476,280,125.60 and 885,738,817.80 is: 1,328,608,226.70
Step by Step Solution
- Step 1: Write the proportion equation
2,984,186,750.40 : 4,476,280,125.60 = 885,738,817.80 : x - Step 2: Convert to fraction form
2,984,186,750.40/4,476,280,125.60 = 885,738,817.80/x - Step 3: Cross multiply
2,984,186,750.40x = 4,476,280,125.60 × 885,738,817.80 - Step 4: Simplify right side
2,984,186,750.40x = 3,964,815,066,590,579,712 - Step 5: Solve for x
x = 3,964,815,066,590,579,712/2,984,186,750.40 - Step 6: Final answer
x = 1,328,608,226.70
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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.