Finding the Fourth Proportional to 325,153,570.75, 448,712,368.54 and 176,474,696.49
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Solution
The fourth proportional to 325,153,570.75, 448,712,368.54 and 176,474,696.49 is: 243,535,320.45
Step by Step Solution
- Step 1: Write the proportion equation
325,153,570.75 : 448,712,368.54 = 176,474,696.49 : x - Step 2: Convert to fraction form
325,153,570.75/448,712,368.54 = 176,474,696.49/x - Step 3: Cross multiply
325,153,570.75x = 448,712,368.54 × 176,474,696.49 - Step 4: Simplify right side
325,153,570.75x = 79,186,379,048,964,352 - Step 5: Solve for x
x = 79,186,379,048,964,352/325,153,570.75 - Step 6: Final answer
x = 243,535,320.45
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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.