Finding the Fourth Proportional to 418,845,670.86, 577,999,973.97 and 230,691,486.18
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Solution
The fourth proportional to 418,845,670.86, 577,999,973.97 and 230,691,486.18 is: 318,350,366.93
Step by Step Solution
- Step 1: Write the proportion equation
418,845,670.86 : 577,999,973.97 = 230,691,486.18 : x - Step 2: Convert to fraction form
418,845,670.86/577,999,973.97 = 230,691,486.18/x - Step 3: Cross multiply
418,845,670.86x = 577,999,973.97 × 230,691,486.18 - Step 4: Simplify right side
418,845,670.86x = 133,339,673,007,140,624 - Step 5: Solve for x
x = 133,339,673,007,140,624/418,845,670.86 - Step 6: Final answer
x = 318,350,366.93
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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.