Finding the Fourth Proportional to 1,330,623,691.06, 1,836,186,440.25 and 727,675,330.54
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Solution
The fourth proportional to 1,330,623,691.06, 1,836,186,440.25 and 727,675,330.54 is: 1,004,151,349.34
Step by Step Solution
- Step 1: Write the proportion equation
1,330,623,691.06 : 1,836,186,440.25 = 727,675,330.54 : x - Step 2: Convert to fraction form
1,330,623,691.06/1,836,186,440.25 = 727,675,330.54/x - Step 3: Cross multiply
1,330,623,691.06x = 1,836,186,440.25 × 727,675,330.54 - Step 4: Simplify right side
1,330,623,691.06x = 1,336,147,574,841,984,768 - Step 5: Solve for x
x = 1,336,147,574,841,984,768/1,330,623,691.06 - Step 6: Final answer
x = 1,004,151,349.34
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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.