Finding the Fourth Proportional to 402,473,430,680.47, 555,415,135,876.45 and 219,569,978,076.52
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Solution
The fourth proportional to 402,473,430,680.47, 555,415,135,876.45 and 219,569,978,076.52 is: 303,007,552,577.00
Step by Step Solution
- Step 1: Write the proportion equation
402,473,430,680.47 : 555,415,135,876.45 = 219,569,978,076.52 : x - Step 2: Convert to fraction form
402,473,430,680.47/555,415,135,876.45 = 219,569,978,076.52/x - Step 3: Cross multiply
402,473,430,680.47x = 555,415,135,876.45 × 219,569,978,076.52 - Step 4: Simplify right side
402,473,430,680.47x = 121,952,489,207,759,485,534,208 - Step 5: Solve for x
x = 121,952,489,207,759,485,534,208/402,473,430,680.47 - Step 6: Final answer
x = 303,007,552,577.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.