Finding the Fourth Proportional to 393,274,686.80, 590,148,226.20 and 163,219,782.80
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Solution
The fourth proportional to 393,274,686.80, 590,148,226.20 and 163,219,782.80 is: 244,927,702.02
Step by Step Solution
- Step 1: Write the proportion equation
393,274,686.80 : 590,148,226.20 = 163,219,782.80 : x - Step 2: Convert to fraction form
393,274,686.80/590,148,226.20 = 163,219,782.80/x - Step 3: Cross multiply
393,274,686.80x = 590,148,226.20 × 163,219,782.80 - Step 4: Simplify right side
393,274,686.80x = 96,323,865,300,169,280 - Step 5: Solve for x
x = 96,323,865,300,169,280/393,274,686.80 - Step 6: Final answer
x = 244,927,702.02
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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.