Finding the Fourth Proportional to 292,081,439,697.68, 403,072,081,083.68 and 163,623,792,547.56
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Solution
The fourth proportional to 292,081,439,697.68, 403,072,081,083.68 and 163,623,792,547.56 is: 225,800,662,463.23
Step by Step Solution
- Step 1: Write the proportion equation
292,081,439,697.68 : 403,072,081,083.68 = 163,623,792,547.56 : x - Step 2: Convert to fraction form
292,081,439,697.68/403,072,081,083.68 = 163,623,792,547.56/x - Step 3: Cross multiply
292,081,439,697.68x = 403,072,081,083.68 × 163,623,792,547.56 - Step 4: Simplify right side
292,081,439,697.68x = 65,952,182,576,949,338,570,752 - Step 5: Solve for x
x = 65,952,182,576,949,338,570,752/292,081,439,697.68 - Step 6: Final answer
x = 225,800,662,463.23
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1.5x scale
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.