Finding the Fourth Proportional to 1,246,218,302.68, 1,869,275,490.92 and 326,074,269.40
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Solution
The fourth proportional to 1,246,218,302.68, 1,869,275,490.92 and 326,074,269.40 is: 489,097,807.90
Step by Step Solution
- Step 1: Write the proportion equation
1,246,218,302.68 : 1,869,275,490.92 = 326,074,269.40 : x - Step 2: Convert to fraction form
1,246,218,302.68/1,869,275,490.92 = 326,074,269.40/x - Step 3: Cross multiply
1,246,218,302.68x = 1,869,275,490.92 × 326,074,269.40 - Step 4: Simplify right side
1,246,218,302.68x = 609,522,640,009,065,344 - Step 5: Solve for x
x = 609,522,640,009,065,344/1,246,218,302.68 - Step 6: Final answer
x = 489,097,807.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.