Finding the Fourth Proportional to 1,235,218,605.97, 1,852,887,498.63 and 406,153,893.55
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Solution
The fourth proportional to 1,235,218,605.97, 1,852,887,498.63 and 406,153,893.55 is: 609,250,434.09
Step by Step Solution
- Step 1: Write the proportion equation
1,235,218,605.97 : 1,852,887,498.63 = 406,153,893.55 : x - Step 2: Convert to fraction form
1,235,218,605.97/1,852,887,498.63 = 406,153,893.55/x - Step 3: Cross multiply
1,235,218,605.97x = 1,852,887,498.63 × 406,153,893.55 - Step 4: Simplify right side
1,235,218,605.97x = 752,557,471,878,694,912 - Step 5: Solve for x
x = 752,557,471,878,694,912/1,235,218,605.97 - Step 6: Final answer
x = 609,250,434.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.