Finding the Fourth Proportional to 965,688,743.10, 1,448,533,114.65 and 352,292,979.90
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Solution
The fourth proportional to 965,688,743.10, 1,448,533,114.65 and 352,292,979.90 is: 528,439,469.85
Step by Step Solution
- Step 1: Write the proportion equation
965,688,743.10 : 1,448,533,114.65 = 352,292,979.90 : x - Step 2: Convert to fraction form
965,688,743.10/1,448,533,114.65 = 352,292,979.90/x - Step 3: Cross multiply
965,688,743.10x = 1,448,533,114.65 × 352,292,979.90 - Step 4: Simplify right side
965,688,743.10x = 510,308,047,443,876,864 - Step 5: Solve for x
x = 510,308,047,443,876,864/965,688,743.10 - Step 6: Final answer
x = 528,439,469.85
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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.