Finding the Fourth Proportional to 2,688,207,246.40, 4,032,310,869.60 and 2,229,042,222.40
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Solution
The fourth proportional to 2,688,207,246.40, 4,032,310,869.60 and 2,229,042,222.40 is: 3,343,563,333.60
Step by Step Solution
- Step 1: Write the proportion equation
2,688,207,246.40 : 4,032,310,869.60 = 2,229,042,222.40 : x - Step 2: Convert to fraction form
2,688,207,246.40/4,032,310,869.60 = 2,229,042,222.40/x - Step 3: Cross multiply
2,688,207,246.40x = 4,032,310,869.60 × 2,229,042,222.40 - Step 4: Simplify right side
2,688,207,246.40x = 8,988,191,182,180,860,928 - Step 5: Solve for x
x = 8,988,191,182,180,860,928/2,688,207,246.40 - Step 6: Final answer
x = 3,343,563,333.60
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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.