Finding the Fourth Proportional to 865,754,329.77, 1,194,708,967.37 and 469,268,806.66
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Solution
The fourth proportional to 865,754,329.77, 1,194,708,967.37 and 469,268,806.66 is: 647,573,603.90
Step by Step Solution
- Step 1: Write the proportion equation
865,754,329.77 : 1,194,708,967.37 = 469,268,806.66 : x - Step 2: Convert to fraction form
865,754,329.77/1,194,708,967.37 = 469,268,806.66/x - Step 3: Cross multiply
865,754,329.77x = 1,194,708,967.37 × 469,268,806.66 - Step 4: Simplify right side
865,754,329.77x = 560,639,651,423,720,768 - Step 5: Solve for x
x = 560,639,651,423,720,768/865,754,329.77 - Step 6: Final answer
x = 647,573,603.90
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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.