Finding the Fourth Proportional to 2,396,239,129.94, 3,307,138,498.30 and 1,378,943,649.93
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Solution
The fourth proportional to 2,396,239,129.94, 3,307,138,498.30 and 1,378,943,649.93 is: 1,903,131,275.46
Step by Step Solution
- Step 1: Write the proportion equation
2,396,239,129.94 : 3,307,138,498.30 = 1,378,943,649.93 : x - Step 2: Convert to fraction form
2,396,239,129.94/3,307,138,498.30 = 1,378,943,649.93/x - Step 3: Cross multiply
2,396,239,129.94x = 3,307,138,498.30 × 1,378,943,649.93 - Step 4: Simplify right side
2,396,239,129.94x = 4,560,357,631,666,374,144 - Step 5: Solve for x
x = 4,560,357,631,666,374,144/2,396,239,129.94 - Step 6: Final answer
x = 1,903,131,275.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.