Finding the Fourth Proportional to 2,138,928,024.35, 3,206,127,597.19 and 719,473,858.49
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Solution
The fourth proportional to 2,138,928,024.35, 3,206,127,597.19 and 719,473,858.49 is: 1,078,449,095.48
Step by Step Solution
- Step 1: Write the proportion equation
2,138,928,024.35 : 3,206,127,597.19 = 719,473,858.49 : x - Step 2: Convert to fraction form
2,138,928,024.35/3,206,127,597.19 = 719,473,858.49/x - Step 3: Cross multiply
2,138,928,024.35x = 3,206,127,597.19 × 719,473,858.49 - Step 4: Simplify right side
2,138,928,024.35x = 2,306,724,993,167,778,304 - Step 5: Solve for x
x = 2,306,724,993,167,778,304/2,138,928,024.35 - Step 6: Final answer
x = 1,078,449,095.48
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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.