Finding the Fourth Proportional to 2,275,624,637.82, 3,413,438,285.33 and 639,849,239.82
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Solution
The fourth proportional to 2,275,624,637.82, 3,413,438,285.33 and 639,849,239.82 is: 959,774,233.30
Step by Step Solution
- Step 1: Write the proportion equation
2,275,624,637.82 : 3,413,438,285.33 = 639,849,239.82 : x - Step 2: Convert to fraction form
2,275,624,637.82/3,413,438,285.33 = 639,849,239.82/x - Step 3: Cross multiply
2,275,624,637.82x = 3,413,438,285.33 × 639,849,239.82 - Step 4: Simplify right side
2,275,624,637.82x = 2,184,085,892,037,685,504 - Step 5: Solve for x
x = 2,184,085,892,037,685,504/2,275,624,637.82 - Step 6: Final answer
x = 959,774,233.30
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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.