Finding the Fourth Proportional to 460,988,635.08, 636,169,251.06 and 252,140,311.92
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Solution
The fourth proportional to 460,988,635.08, 636,169,251.06 and 252,140,311.92 is: 347,956,329.48
Step by Step Solution
- Step 1: Write the proportion equation
460,988,635.08 : 636,169,251.06 = 252,140,311.92 : x - Step 2: Convert to fraction form
460,988,635.08/636,169,251.06 = 252,140,311.92/x - Step 3: Cross multiply
460,988,635.08x = 636,169,251.06 × 252,140,311.92 - Step 4: Simplify right side
460,988,635.08x = 160,403,913,396,181,152 - Step 5: Solve for x
x = 160,403,913,396,181,152/460,988,635.08 - Step 6: Final answer
x = 347,956,329.48
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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.