Finding the Fourth Proportional to 3,895,916,753.36, 5,376,221,030.66 and 2,111,731,898.96
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Solution
The fourth proportional to 3,895,916,753.36, 5,376,221,030.66 and 2,111,731,898.96 is: 2,914,111,918.98
Step by Step Solution
- Step 1: Write the proportion equation
3,895,916,753.36 : 5,376,221,030.66 = 2,111,731,898.96 : x - Step 2: Convert to fraction form
3,895,916,753.36/5,376,221,030.66 = 2,111,731,898.96/x - Step 3: Cross multiply
3,895,916,753.36x = 5,376,221,030.66 × 2,111,731,898.96 - Step 4: Simplify right side
3,895,916,753.36x = 11,353,137,446,304,329,728 - Step 5: Solve for x
x = 11,353,137,446,304,329,728/3,895,916,753.36 - Step 6: Final answer
x = 2,914,111,918.98
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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.