Finding the Fourth Proportional to 997,307,055.44, 1,376,420,456.68 and 573,912,015.12
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Solution
The fourth proportional to 997,307,055.44, 1,376,420,456.68 and 573,912,015.12 is: 792,077,258.09
Step by Step Solution
- Step 1: Write the proportion equation
997,307,055.44 : 1,376,420,456.68 = 573,912,015.12 : x - Step 2: Convert to fraction form
997,307,055.44/1,376,420,456.68 = 573,912,015.12/x - Step 3: Cross multiply
997,307,055.44x = 1,376,420,456.68 × 573,912,015.12 - Step 4: Simplify right side
997,307,055.44x = 789,944,237,945,609,472 - Step 5: Solve for x
x = 789,944,237,945,609,472/997,307,055.44 - Step 6: Final answer
x = 792,077,258.09
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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.