Finding the Fourth Proportional to 1,675,382,501.59, 2,311,999,645.11 and 922,765,762.91
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Solution
The fourth proportional to 1,675,382,501.59, 2,311,999,645.11 and 922,765,762.91 is: 1,273,401,216.94
Step by Step Solution
- Step 1: Write the proportion equation
1,675,382,501.59 : 2,311,999,645.11 = 922,765,762.91 : x - Step 2: Convert to fraction form
1,675,382,501.59/2,311,999,645.11 = 922,765,762.91/x - Step 3: Cross multiply
1,675,382,501.59x = 2,311,999,645.11 × 922,765,762.91 - Step 4: Simplify right side
1,675,382,501.59x = 2,133,434,116,367,578,368 - Step 5: Solve for x
x = 2,133,434,116,367,578,368/1,675,382,501.59 - Step 6: Final answer
x = 1,273,401,216.94
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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.