Finding the Fourth Proportional to 2,197,629,812.13, 3,032,728,444.89 and 1,207,619,002.05
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Solution
The fourth proportional to 2,197,629,812.13, 3,032,728,444.89 and 1,207,619,002.05 is: 1,666,513,840.45
Step by Step Solution
- Step 1: Write the proportion equation
2,197,629,812.13 : 3,032,728,444.89 = 1,207,619,002.05 : x - Step 2: Convert to fraction form
2,197,629,812.13/3,032,728,444.89 = 1,207,619,002.05/x - Step 3: Cross multiply
2,197,629,812.13x = 3,032,728,444.89 × 1,207,619,002.05 - Step 4: Simplify right side
2,197,629,812.13x = 3,662,380,498,106,710,016 - Step 5: Solve for x
x = 3,662,380,498,106,710,016/2,197,629,812.13 - Step 6: Final answer
x = 1,666,513,840.45
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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.