Finding the Fourth Proportional to 5,188,955,397.28, 7,160,722,791.99 and 2,810,038,895.82
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Solution
The fourth proportional to 5,188,955,397.28, 7,160,722,791.99 and 2,810,038,895.82 is: 3,877,834,366.86
Step by Step Solution
- Step 1: Write the proportion equation
5,188,955,397.28 : 7,160,722,791.99 = 2,810,038,895.82 : x - Step 2: Convert to fraction form
5,188,955,397.28/7,160,722,791.99 = 2,810,038,895.82/x - Step 3: Cross multiply
5,188,955,397.28x = 7,160,722,791.99 × 2,810,038,895.82 - Step 4: Simplify right side
5,188,955,397.28x = 20,121,909,567,666,012,160 - Step 5: Solve for x
x = 20,121,909,567,666,012,160/5,188,955,397.28 - Step 6: Final answer
x = 3,877,834,366.86
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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.