Finding the Fourth Proportional to 693,218,425,970.05, 956,642,553,236.70 and 384,569,792,977.53
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Solution
The fourth proportional to 693,218,425,970.05, 956,642,553,236.70 and 384,569,792,977.53 is: 530,706,938,634.70
Step by Step Solution
- Step 1: Write the proportion equation
693,218,425,970.05 : 956,642,553,236.70 = 384,569,792,977.53 : x - Step 2: Convert to fraction form
693,218,425,970.05/956,642,553,236.70 = 384,569,792,977.53/x - Step 3: Cross multiply
693,218,425,970.05x = 956,642,553,236.70 × 384,569,792,977.53 - Step 4: Simplify right side
693,218,425,970.05x = 367,895,828,651,733,436,858,368 - Step 5: Solve for x
x = 367,895,828,651,733,436,858,368/693,218,425,970.05 - Step 6: Final answer
x = 530,706,938,634.70
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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.