Finding the Fourth Proportional to 865,754,327.07, 1,194,708,963.66 and 469,268,803.97
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Solution
The fourth proportional to 865,754,327.07, 1,194,708,963.66 and 469,268,803.97 is: 647,573,600.20
Step by Step Solution
- Step 1: Write the proportion equation
865,754,327.07 : 1,194,708,963.66 = 469,268,803.97 : x - Step 2: Convert to fraction form
865,754,327.07/1,194,708,963.66 = 469,268,803.97/x - Step 3: Cross multiply
865,754,327.07x = 1,194,708,963.66 × 469,268,803.97 - Step 4: Simplify right side
865,754,327.07x = 560,639,646,466,620,096 - Step 5: Solve for x
x = 560,639,646,466,620,096/865,754,327.07 - Step 6: Final answer
x = 647,573,600.20
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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.