Finding the Fourth Proportional to 1,605,532,871.62, 2,216,585,277.84 and 1,011,326,696.92
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Solution
The fourth proportional to 1,605,532,871.62, 2,216,585,277.84 and 1,011,326,696.92 is: 1,396,229,194.12
Step by Step Solution
- Step 1: Write the proportion equation
1,605,532,871.62 : 2,216,585,277.84 = 1,011,326,696.92 : x - Step 2: Convert to fraction form
1,605,532,871.62/2,216,585,277.84 = 1,011,326,696.92/x - Step 3: Cross multiply
1,605,532,871.62x = 2,216,585,277.84 × 1,011,326,696.92 - Step 4: Simplify right side
1,605,532,871.62x = 2,241,691,867,479,427,840 - Step 5: Solve for x
x = 2,241,691,867,479,427,840/1,605,532,871.62 - Step 6: Final answer
x = 1,396,229,194.12
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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.