Finding the Fourth Proportional to 454,039,210.80, 626,574,105.16 and 245,195,334.99
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Solution
The fourth proportional to 454,039,210.80, 626,574,105.16 and 245,195,334.99 is: 338,369,559.18
Step by Step Solution
- Step 1: Write the proportion equation
454,039,210.80 : 626,574,105.16 = 245,195,334.99 : x - Step 2: Convert to fraction form
454,039,210.80/626,574,105.16 = 245,195,334.99/x - Step 3: Cross multiply
454,039,210.80x = 626,574,105.16 × 245,195,334.99 - Step 4: Simplify right side
454,039,210.80x = 153,633,047,610,152,704 - Step 5: Solve for x
x = 153,633,047,610,152,704/454,039,210.80 - Step 6: Final answer
x = 338,369,559.18
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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.