Finding the Fourth Proportional to 1,591,326,965.08, 2,196,147,278.52 and 922,444,693.66
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Solution
The fourth proportional to 1,591,326,965.08, 2,196,147,278.52 and 922,444,693.66 is: 1,273,040,957.65
Step by Step Solution
- Step 1: Write the proportion equation
1,591,326,965.08 : 2,196,147,278.52 = 922,444,693.66 : x - Step 2: Convert to fraction form
1,591,326,965.08/2,196,147,278.52 = 922,444,693.66/x - Step 3: Cross multiply
1,591,326,965.08x = 2,196,147,278.52 × 922,444,693.66 - Step 4: Simplify right side
1,591,326,965.08x = 2,025,824,403,566,624,000 - Step 5: Solve for x
x = 2,025,824,403,566,624,000/1,591,326,965.08 - Step 6: Final answer
x = 1,273,040,957.65
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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.