Finding the Fourth Proportional to 1,326,739,724.36, 1,830,956,190.18 and 732,062,780.84
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Solution
The fourth proportional to 1,326,739,724.36, 1,830,956,190.18 and 732,062,780.84 is: 1,010,277,189.69
Step by Step Solution
- Step 1: Write the proportion equation
1,326,739,724.36 : 1,830,956,190.18 = 732,062,780.84 : x - Step 2: Convert to fraction form
1,326,739,724.36/1,830,956,190.18 = 732,062,780.84/x - Step 3: Cross multiply
1,326,739,724.36x = 1,830,956,190.18 × 732,062,780.84 - Step 4: Simplify right side
1,326,739,724.36x = 1,340,374,880,179,382,784 - Step 5: Solve for x
x = 1,340,374,880,179,382,784/1,326,739,724.36 - Step 6: Final answer
x = 1,010,277,189.69
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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.