Finding the Fourth Proportional to 1,402,627,537.68, 1,935,628,269.48 and 776,122,371.60
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Solution
The fourth proportional to 1,402,627,537.68, 1,935,628,269.48 and 776,122,371.60 is: 1,071,050,127.48
Step by Step Solution
- Step 1: Write the proportion equation
1,402,627,537.68 : 1,935,628,269.48 = 776,122,371.60 : x - Step 2: Convert to fraction form
1,402,627,537.68/1,935,628,269.48 = 776,122,371.60/x - Step 3: Cross multiply
1,402,627,537.68x = 1,935,628,269.48 × 776,122,371.60 - Step 4: Simplify right side
1,402,627,537.68x = 1,502,284,403,044,821,504 - Step 5: Solve for x
x = 1,502,284,403,044,821,504/1,402,627,537.68 - Step 6: Final answer
x = 1,071,050,127.48
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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.