Finding the Fourth Proportional to 327,118,718.20, 490,261,283.70 and 173,838,206.20
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Solution
The fourth proportional to 327,118,718.20, 490,261,283.70 and 173,838,206.20 is: 260,535,815.86
Step by Step Solution
- Step 1: Write the proportion equation
327,118,718.20 : 490,261,283.70 = 173,838,206.20 : x - Step 2: Convert to fraction form
327,118,718.20/490,261,283.70 = 173,838,206.20/x - Step 3: Cross multiply
327,118,718.20x = 490,261,283.70 × 173,838,206.20 - Step 4: Simplify right side
327,118,718.20x = 85,226,142,127,717,296 - Step 5: Solve for x
x = 85,226,142,127,717,296/327,118,718.20 - Step 6: Final answer
x = 260,535,815.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.