Finding the Fourth Proportional to 636,272,138.96, 954,444,056.48 and 193,629,214.30
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Solution
The fourth proportional to 636,272,138.96, 954,444,056.48 and 193,629,214.30 is: 290,454,730.66
Step by Step Solution
- Step 1: Write the proportion equation
636,272,138.96 : 954,444,056.48 = 193,629,214.30 : x - Step 2: Convert to fraction form
636,272,138.96/954,444,056.48 = 193,629,214.30/x - Step 3: Cross multiply
636,272,138.96x = 954,444,056.48 × 193,629,214.30 - Step 4: Simplify right side
636,272,138.96x = 184,808,252,745,706,016 - Step 5: Solve for x
x = 184,808,252,745,706,016/636,272,138.96 - Step 6: Final answer
x = 290,454,730.66
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1.5x scale
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.