Finding the Fourth Proportional to 936,955,741.08, 1,397,056,979.84 and 911,213,466.18
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Solution
The fourth proportional to 936,955,741.08, 1,397,056,979.84 and 911,213,466.18 is: 1,358,673,710.22
Step by Step Solution
- Step 1: Write the proportion equation
936,955,741.08 : 1,397,056,979.84 = 911,213,466.18 : x - Step 2: Convert to fraction form
936,955,741.08/1,397,056,979.84 = 911,213,466.18/x - Step 3: Cross multiply
936,955,741.08x = 1,397,056,979.84 × 911,213,466.18 - Step 4: Simplify right side
936,955,741.08x = 1,273,017,133,046,412,800 - Step 5: Solve for x
x = 1,273,017,133,046,412,800/936,955,741.08 - Step 6: Final answer
x = 1,358,673,710.22
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.