Finding the Fourth Proportional to 1,675,382,501.84, 2,311,999,645.45 and 922,765,763.16
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Solution
The fourth proportional to 1,675,382,501.84, 2,311,999,645.45 and 922,765,763.16 is: 1,273,401,217.28
Step by Step Solution
- Step 1: Write the proportion equation
1,675,382,501.84 : 2,311,999,645.45 = 922,765,763.16 : x - Step 2: Convert to fraction form
1,675,382,501.84/2,311,999,645.45 = 922,765,763.16/x - Step 3: Cross multiply
1,675,382,501.84x = 2,311,999,645.45 × 922,765,763.16 - Step 4: Simplify right side
1,675,382,501.84x = 2,133,434,117,259,318,528 - Step 5: Solve for x
x = 2,133,434,117,259,318,528/1,675,382,501.84 - Step 6: Final answer
x = 1,273,401,217.28
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1.5x scale
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.