Finding the Fourth Proportional to 865,754,350.93, 1,194,708,996.80 and 469,268,828.03
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Solution
The fourth proportional to 865,754,350.93, 1,194,708,996.80 and 469,268,828.03 is: 647,573,633.51
Step by Step Solution
- Step 1: Write the proportion equation
865,754,350.93 : 1,194,708,996.80 = 469,268,828.03 : x - Step 2: Convert to fraction form
865,754,350.93/1,194,708,996.80 = 469,268,828.03/x - Step 3: Cross multiply
865,754,350.93x = 1,194,708,996.80 × 469,268,828.03 - Step 4: Simplify right side
865,754,350.93x = 560,639,690,759,259,456 - Step 5: Solve for x
x = 560,639,690,759,259,456/865,754,350.93 - Step 6: Final answer
x = 647,573,633.51
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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.