Finding the Fourth Proportional to 398,835,774.36, 550,485,201.63 and 233,876,487.96
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Solution
The fourth proportional to 398,835,774.36, 550,485,201.63 and 233,876,487.96 is: 322,803,404.08
Step by Step Solution
- Step 1: Write the proportion equation
398,835,774.36 : 550,485,201.63 = 233,876,487.96 : x - Step 2: Convert to fraction form
398,835,774.36/550,485,201.63 = 233,876,487.96/x - Step 3: Cross multiply
398,835,774.36x = 550,485,201.63 × 233,876,487.96 - Step 4: Simplify right side
398,835,774.36x = 128,745,545,631,176,864 - Step 5: Solve for x
x = 128,745,545,631,176,864/398,835,774.36 - Step 6: Final answer
x = 322,803,404.08
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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.