Finding the Fourth Proportional to 247,299,531,787.98, 370,970,665,866.96 and 68,225,518,584.98
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Solution
The fourth proportional to 247,299,531,787.98, 370,970,665,866.96 and 68,225,518,584.98 is: 102,344,172,977.60
Step by Step Solution
- Step 1: Write the proportion equation
247,299,531,787.98 : 370,970,665,866.96 = 68,225,518,584.98 : x - Step 2: Convert to fraction form
247,299,531,787.98/370,970,665,866.96 = 68,225,518,584.98/x - Step 3: Cross multiply
247,299,531,787.98x = 370,970,665,866.96 × 68,225,518,584.98 - Step 4: Simplify right side
247,299,531,787.98x = 25,309,666,058,588,689,268,736 - Step 5: Solve for x
x = 25,309,666,058,588,689,268,736/247,299,531,787.98 - Step 6: Final answer
x = 102,344,172,977.60
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1.5x scale
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.