Finding the Fourth Proportional to 873,273,235.48, 1,205,222,742.38 and 497,021,307.14
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Solution
The fourth proportional to 873,273,235.48, 1,205,222,742.38 and 497,021,307.14 is: 685,949,549.89
Step by Step Solution
- Step 1: Write the proportion equation
873,273,235.48 : 1,205,222,742.38 = 497,021,307.14 : x - Step 2: Convert to fraction form
873,273,235.48/1,205,222,742.38 = 497,021,307.14/x - Step 3: Cross multiply
873,273,235.48x = 1,205,222,742.38 × 497,021,307.14 - Step 4: Simplify right side
873,273,235.48x = 599,021,382,812,563,072 - Step 5: Solve for x
x = 599,021,382,812,563,072/873,273,235.48 - Step 6: Final answer
x = 685,949,549.89
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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.