Finding the Fourth Proportional to 1,145,163,035.10, 1,718,248,437.45 and 531,431,348.70
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Solution
The fourth proportional to 1,145,163,035.10, 1,718,248,437.45 and 531,431,348.70 is: 797,380,858.91
Step by Step Solution
- Step 1: Write the proportion equation
1,145,163,035.10 : 1,718,248,437.45 = 531,431,348.70 : x - Step 2: Convert to fraction form
1,145,163,035.10/1,718,248,437.45 = 531,431,348.70/x - Step 3: Cross multiply
1,145,163,035.10x = 1,718,248,437.45 × 531,431,348.70 - Step 4: Simplify right side
1,145,163,035.10x = 913,131,084,515,721,088 - Step 5: Solve for x
x = 913,131,084,515,721,088/1,145,163,035.10 - Step 6: Final answer
x = 797,380,858.91
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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.