Finding the Fourth Proportional to 272,228,624,439.98, 408,337,329,189.34 and 90,724,638,000.74
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Solution
The fourth proportional to 272,228,624,439.98, 408,337,329,189.34 and 90,724,638,000.74 is: 136,085,088,219.88
Step by Step Solution
- Step 1: Write the proportion equation
272,228,624,439.98 : 408,337,329,189.34 = 90,724,638,000.74 : x - Step 2: Convert to fraction form
272,228,624,439.98/408,337,329,189.34 = 90,724,638,000.74/x - Step 3: Cross multiply
272,228,624,439.98x = 408,337,329,189.34 × 90,724,638,000.74 - Step 4: Simplify right side
272,228,624,439.98x = 37,046,256,372,891,063,943,168 - Step 5: Solve for x
x = 37,046,256,372,891,063,943,168/272,228,624,439.98 - Step 6: Final answer
x = 136,085,088,219.88
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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.