Finding the Fourth Proportional to 1,316,126,217.60, 1,816,254,352.32 and 729,453,229.44
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Solution
The fourth proportional to 1,316,126,217.60, 1,816,254,352.32 and 729,453,229.44 is: 1,006,645,551.97
Step by Step Solution
- Step 1: Write the proportion equation
1,316,126,217.60 : 1,816,254,352.32 = 729,453,229.44 : x - Step 2: Convert to fraction form
1,316,126,217.60/1,816,254,352.32 = 729,453,229.44/x - Step 3: Cross multiply
1,316,126,217.60x = 1,816,254,352.32 × 729,453,229.44 - Step 4: Simplify right side
1,316,126,217.60x = 1,324,872,602,784,279,552 - Step 5: Solve for x
x = 1,324,872,602,784,279,552/1,316,126,217.60 - Step 6: Final answer
x = 1,006,645,551.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.