Finding the Fourth Proportional to 1,296,103,061.99, 1,943,367,312.44 and 508,212,764.51
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Solution
The fourth proportional to 1,296,103,061.99, 1,943,367,312.44 and 508,212,764.51 is: 762,010,447.52
Step by Step Solution
- Step 1: Write the proportion equation
1,296,103,061.99 : 1,943,367,312.44 = 508,212,764.51 : x - Step 2: Convert to fraction form
1,296,103,061.99/1,943,367,312.44 = 508,212,764.51/x - Step 3: Cross multiply
1,296,103,061.99x = 1,943,367,312.44 × 508,212,764.51 - Step 4: Simplify right side
1,296,103,061.99x = 987,644,074,305,055,104 - Step 5: Solve for x
x = 987,644,074,305,055,104/1,296,103,061.99 - Step 6: Final answer
x = 762,010,447.52
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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.