Finding the Fourth Proportional to 7,187,433,351.47, 9,916,957,526.96 and 4,174,896,284.63
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Solution
The fourth proportional to 7,187,433,351.47, 9,916,957,526.96 and 4,174,896,284.63 is: 5,760,369,120.59
Step by Step Solution
- Step 1: Write the proportion equation
7,187,433,351.47 : 9,916,957,526.96 = 4,174,896,284.63 : x - Step 2: Convert to fraction form
7,187,433,351.47/9,916,957,526.96 = 4,174,896,284.63/x - Step 3: Cross multiply
7,187,433,351.47x = 9,916,957,526.96 × 4,174,896,284.63 - Step 4: Simplify right side
7,187,433,351.47x = 41,402,269,134,068,359,168 - Step 5: Solve for x
x = 41,402,269,134,068,359,168/7,187,433,351.47 - Step 6: Final answer
x = 5,760,369,120.59
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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.