Finding the Fourth Proportional to 1,612,403,713.70, 2,418,605,570.55 and 1,289,917,441.70
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Solution
The fourth proportional to 1,612,403,713.70, 2,418,605,570.55 and 1,289,917,441.70 is: 1,934,876,162.55
Step by Step Solution
- Step 1: Write the proportion equation
1,612,403,713.70 : 2,418,605,570.55 = 1,289,917,441.70 : x - Step 2: Convert to fraction form
1,612,403,713.70/2,418,605,570.55 = 1,289,917,441.70/x - Step 3: Cross multiply
1,612,403,713.70x = 2,418,605,570.55 × 1,289,917,441.70 - Step 4: Simplify right side
1,612,403,713.70x = 3,119,801,510,045,225,472 - Step 5: Solve for x
x = 3,119,801,510,045,225,472/1,612,403,713.70 - Step 6: Final answer
x = 1,934,876,162.55
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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.