Finding the Fourth Proportional to 268,263,861,002.12, 370,205,279,117.25 and 146,331,252,636.95
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Solution
The fourth proportional to 268,263,861,002.12, 370,205,279,117.25 and 146,331,252,636.95 is: 201,937,756,444.99
Step by Step Solution
- Step 1: Write the proportion equation
268,263,861,002.12 : 370,205,279,117.25 = 146,331,252,636.95 : x - Step 2: Convert to fraction form
268,263,861,002.12/370,205,279,117.25 = 146,331,252,636.95/x - Step 3: Cross multiply
268,263,861,002.12x = 370,205,279,117.25 × 146,331,252,636.95 - Step 4: Simplify right side
268,263,861,002.12x = 54,172,602,226,038,907,338,752 - Step 5: Solve for x
x = 54,172,602,226,038,907,338,752/268,263,861,002.12 - Step 6: Final answer
x = 201,937,756,444.99
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1.5x scale
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.