Finding the Fourth Proportional to 1,649,775,649.58, 2,276,133,240.36 and 935,234,597.30
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Solution
The fourth proportional to 1,649,775,649.58, 2,276,133,240.36 and 935,234,597.30 is: 1,290,307,900.35
Step by Step Solution
- Step 1: Write the proportion equation
1,649,775,649.58 : 2,276,133,240.36 = 935,234,597.30 : x - Step 2: Convert to fraction form
1,649,775,649.58/2,276,133,240.36 = 935,234,597.30/x - Step 3: Cross multiply
1,649,775,649.58x = 2,276,133,240.36 × 935,234,597.30 - Step 4: Simplify right side
1,649,775,649.58x = 2,128,718,554,444,552,448 - Step 5: Solve for x
x = 2,128,718,554,444,552,448/1,649,775,649.58 - Step 6: Final answer
x = 1,290,307,900.35
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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.