Finding the Fourth Proportional to 2,964,649,148.57, 4,446,817,102.88 and 972,428,785.07
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Solution
The fourth proportional to 2,964,649,148.57, 4,446,817,102.88 and 972,428,785.07 is: 1,458,591,804.99
Step by Step Solution
- Step 1: Write the proportion equation
2,964,649,148.57 : 4,446,817,102.88 = 972,428,785.07 : x - Step 2: Convert to fraction form
2,964,649,148.57/4,446,817,102.88 = 972,428,785.07/x - Step 3: Cross multiply
2,964,649,148.57x = 4,446,817,102.88 × 972,428,785.07 - Step 4: Simplify right side
2,964,649,148.57x = 4,324,212,952,762,292,736 - Step 5: Solve for x
x = 4,324,212,952,762,292,736/2,964,649,148.57 - Step 6: Final answer
x = 1,458,591,804.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.