Finding the Fourth Proportional to 564,711,823.92, 779,321,219.64 and 313,826,791.08
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Solution
The fourth proportional to 564,711,823.92, 779,321,219.64 and 313,826,791.08 is: 433,091,476.43
Step by Step Solution
- Step 1: Write the proportion equation
564,711,823.92 : 779,321,219.64 = 313,826,791.08 : x - Step 2: Convert to fraction form
564,711,823.92/779,321,219.64 = 313,826,791.08/x - Step 3: Cross multiply
564,711,823.92x = 779,321,219.64 × 313,826,791.08 - Step 4: Simplify right side
564,711,823.92x = 244,571,877,580,173,056 - Step 5: Solve for x
x = 244,571,877,580,173,056/564,711,823.92 - Step 6: Final answer
x = 433,091,476.43
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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.