Finding the Fourth Proportional to 841,498,342.44, 1,161,245,436.66 and 470,223,424.68
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Solution
The fourth proportional to 841,498,342.44, 1,161,245,436.66 and 470,223,424.68 is: 648,895,878.44
Step by Step Solution
- Step 1: Write the proportion equation
841,498,342.44 : 1,161,245,436.66 = 470,223,424.68 : x - Step 2: Convert to fraction form
841,498,342.44/1,161,245,436.66 = 470,223,424.68/x - Step 3: Cross multiply
841,498,342.44x = 1,161,245,436.66 × 470,223,424.68 - Step 4: Simplify right side
841,498,342.44x = 546,044,806,120,287,296 - Step 5: Solve for x
x = 546,044,806,120,287,296/841,498,342.44 - Step 6: Final answer
x = 648,895,878.44
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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.