Finding the Fourth Proportional to 1,397,423,064.42, 2,095,348,052.79 and 464,246,326.26
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Solution
The fourth proportional to 1,397,423,064.42, 2,095,348,052.79 and 464,246,326.26 is: 696,108,186.93
Step by Step Solution
- Step 1: Write the proportion equation
1,397,423,064.42 : 2,095,348,052.79 = 464,246,326.26 : x - Step 2: Convert to fraction form
1,397,423,064.42/2,095,348,052.79 = 464,246,326.26/x - Step 3: Cross multiply
1,397,423,064.42x = 2,095,348,052.79 × 464,246,326.26 - Step 4: Simplify right side
1,397,423,064.42x = 972,757,635,743,801,984 - Step 5: Solve for x
x = 972,757,635,743,801,984/1,397,423,064.42 - Step 6: Final answer
x = 696,108,186.93
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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.