Finding the Fourth Proportional to 1,177,658,102.16, 1,625,168,190.12 and 649,022,094.19
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Solution
The fourth proportional to 1,177,658,102.16, 1,625,168,190.12 and 649,022,094.19 is: 895,650,495.02
Step by Step Solution
- Step 1: Write the proportion equation
1,177,658,102.16 : 1,625,168,190.12 = 649,022,094.19 : x - Step 2: Convert to fraction form
1,177,658,102.16/1,625,168,190.12 = 649,022,094.19/x - Step 3: Cross multiply
1,177,658,102.16x = 1,625,168,190.12 × 649,022,094.19 - Step 4: Simplify right side
1,177,658,102.16x = 1,054,770,062,162,284,544 - Step 5: Solve for x
x = 1,054,770,062,162,284,544/1,177,658,102.16 - Step 6: Final answer
x = 895,650,495.02
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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.