Finding the Fourth Proportional to 1,475,644,233.70, 2,213,147,485.95 and 646,596,273.70
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Solution
The fourth proportional to 1,475,644,233.70, 2,213,147,485.95 and 646,596,273.70 is: 969,754,690.79
Step by Step Solution
- Step 1: Write the proportion equation
1,475,644,233.70 : 2,213,147,485.95 = 646,596,273.70 : x - Step 2: Convert to fraction form
1,475,644,233.70/2,213,147,485.95 = 646,596,273.70/x - Step 3: Cross multiply
1,475,644,233.70x = 2,213,147,485.95 × 646,596,273.70 - Step 4: Simplify right side
1,475,644,233.70x = 1,431,012,917,563,793,152 - Step 5: Solve for x
x = 1,431,012,917,563,793,152/1,475,644,233.70 - Step 6: Final answer
x = 969,754,690.79
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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.