Finding the Fourth Proportional to 954,920,876.72, 1,317,673,908.60 and 602,364,501.68
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Solution
The fourth proportional to 954,920,876.72, 1,317,673,908.60 and 602,364,501.68 is: 831,189,270.94
Step by Step Solution
- Step 1: Write the proportion equation
954,920,876.72 : 1,317,673,908.60 = 602,364,501.68 : x - Step 2: Convert to fraction form
954,920,876.72/1,317,673,908.60 = 602,364,501.68/x - Step 3: Cross multiply
954,920,876.72x = 1,317,673,908.60 × 602,364,501.68 - Step 4: Simplify right side
954,920,876.72x = 793,719,987,330,576,768 - Step 5: Solve for x
x = 793,719,987,330,576,768/954,920,876.72 - Step 6: Final answer
x = 831,189,270.94
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1.5x scale
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.