Finding the Fourth Proportional to 345,073,758.12, 476,242,649.47 and 194,371,374.06
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Solution
The fourth proportional to 345,073,758.12, 476,242,649.47 and 194,371,374.06 is: 268,255,513.45
Step by Step Solution
- Step 1: Write the proportion equation
345,073,758.12 : 476,242,649.47 = 194,371,374.06 : x - Step 2: Convert to fraction form
345,073,758.12/476,242,649.47 = 194,371,374.06/x - Step 3: Cross multiply
345,073,758.12x = 476,242,649.47 × 194,371,374.06 - Step 4: Simplify right side
345,073,758.12x = 92,567,938,160,591,680 - Step 5: Solve for x
x = 92,567,938,160,591,680/345,073,758.12 - Step 6: Final answer
x = 268,255,513.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.