Finding the Fourth Proportional to 828,167,516.10, 1,241,196,265.35 and 440,176,220.10
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Solution
The fourth proportional to 828,167,516.10, 1,241,196,265.35 and 440,176,220.10 is: 659,703,586.37
Step by Step Solution
- Step 1: Write the proportion equation
828,167,516.10 : 1,241,196,265.35 = 440,176,220.10 : x - Step 2: Convert to fraction form
828,167,516.10/1,241,196,265.35 = 440,176,220.10/x - Step 3: Cross multiply
828,167,516.10x = 1,241,196,265.35 × 440,176,220.10 - Step 4: Simplify right side
828,167,516.10x = 546,345,080,483,999,616 - Step 5: Solve for x
x = 546,345,080,483,999,616/828,167,516.10 - Step 6: Final answer
x = 659,703,586.37
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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.