Finding the Fourth Proportional to 354,257,309.18, 488,972,334.54 and 205,626,313.92
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Solution
The fourth proportional to 354,257,309.18, 488,972,334.54 and 205,626,313.92 is: 283,820,760.09
Step by Step Solution
- Step 1: Write the proportion equation
354,257,309.18 : 488,972,334.54 = 205,626,313.92 : x - Step 2: Convert to fraction form
354,257,309.18/488,972,334.54 = 205,626,313.92/x - Step 3: Cross multiply
354,257,309.18x = 488,972,334.54 × 205,626,313.92 - Step 4: Simplify right side
354,257,309.18x = 100,545,578,759,016,336 - Step 5: Solve for x
x = 100,545,578,759,016,336/354,257,309.18 - Step 6: Final answer
x = 283,820,760.09
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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.