Finding the Fourth Proportional to 923,484,190.84, 1,274,428,803.30 and 526,999,286.68
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Solution
The fourth proportional to 923,484,190.84, 1,274,428,803.30 and 526,999,286.68 is: 727,270,782.68
Step by Step Solution
- Step 1: Write the proportion equation
923,484,190.84 : 1,274,428,803.30 = 526,999,286.68 : x - Step 2: Convert to fraction form
923,484,190.84/1,274,428,803.30 = 526,999,286.68/x - Step 3: Cross multiply
923,484,190.84x = 1,274,428,803.30 × 526,999,286.68 - Step 4: Simplify right side
923,484,190.84x = 671,623,070,263,545,984 - Step 5: Solve for x
x = 671,623,070,263,545,984/923,484,190.84 - Step 6: Final answer
x = 727,270,782.68
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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.