Finding the Fourth Proportional to 678,123,108, 1,017,336,294 and 247,301,604
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Solution
The fourth proportional to 678,123,108, 1,017,336,294 and 247,301,604 is: 371,007,703.98
Step by Step Solution
- Step 1: Write the proportion equation
678,123,108 : 1,017,336,294 = 247,301,604 : x - Step 2: Convert to fraction form
678,123,108/1,017,336,294 = 247,301,604/x - Step 3: Cross multiply
678,123,108x = 1,017,336,294 × 247,301,604 - Step 4: Simplify right side
678,123,108x = 251,588,897,313,615,584 - Step 5: Solve for x
x = 251,588,897,313,615,584/678,123,108 - Step 6: Final answer
x = 371,007,703.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.