Finding the Fourth Proportional to 1,141,475,206.14, 1,575,243,846.63 and 619,954,438.14
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Solution
The fourth proportional to 1,141,475,206.14, 1,575,243,846.63 and 619,954,438.14 is: 855,541,503.33
Step by Step Solution
- Step 1: Write the proportion equation
1,141,475,206.14 : 1,575,243,846.63 = 619,954,438.14 : x - Step 2: Convert to fraction form
1,141,475,206.14/1,575,243,846.63 = 619,954,438.14/x - Step 3: Cross multiply
1,141,475,206.14x = 1,575,243,846.63 × 619,954,438.14 - Step 4: Simplify right side
1,141,475,206.14x = 976,579,413,870,994,048 - Step 5: Solve for x
x = 976,579,413,870,994,048/1,141,475,206.14 - Step 6: Final answer
x = 855,541,503.33
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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.