Finding the Fourth Proportional to 366,251,203.40, 549,376,805.10 and 268,678,635.80
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Solution
The fourth proportional to 366,251,203.40, 549,376,805.10 and 268,678,635.80 is: 403,017,953.70
Step by Step Solution
- Step 1: Write the proportion equation
366,251,203.40 : 549,376,805.10 = 268,678,635.80 : x - Step 2: Convert to fraction form
366,251,203.40/549,376,805.10 = 268,678,635.80/x - Step 3: Cross multiply
366,251,203.40x = 549,376,805.10 × 268,678,635.80 - Step 4: Simplify right side
366,251,203.40x = 147,605,810,534,430,496 - Step 5: Solve for x
x = 147,605,810,534,430,496/366,251,203.40 - Step 6: Final answer
x = 403,017,953.70
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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.