Finding the Fourth Proportional to 354,520,274.16, 489,319,610.40 and 207,889,797.36
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Solution
The fourth proportional to 354,520,274.16, 489,319,610.40 and 207,889,797.36 is: 286,935,789.19
Step by Step Solution
- Step 1: Write the proportion equation
354,520,274.16 : 489,319,610.40 = 207,889,797.36 : x - Step 2: Convert to fraction form
354,520,274.16/489,319,610.40 = 207,889,797.36/x - Step 3: Cross multiply
354,520,274.16x = 489,319,610.40 × 207,889,797.36 - Step 4: Simplify right side
354,520,274.16x = 101,724,554,650,330,144 - Step 5: Solve for x
x = 101,724,554,650,330,144/354,520,274.16 - Step 6: Final answer
x = 286,935,789.19
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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.