Finding the Fourth Proportional to 175,398,368,256.99, 263,055,426,360.84 and 80,980,599,179.70
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Solution
The fourth proportional to 175,398,368,256.99, 263,055,426,360.84 and 80,980,599,179.70 is: 121,451,449,382.70
Step by Step Solution
- Step 1: Write the proportion equation
175,398,368,256.99 : 263,055,426,360.84 = 80,980,599,179.70 : x - Step 2: Convert to fraction form
175,398,368,256.99/263,055,426,360.84 = 80,980,599,179.70/x - Step 3: Cross multiply
175,398,368,256.99x = 263,055,426,360.84 × 80,980,599,179.70 - Step 4: Simplify right side
175,398,368,256.99x = 21,302,386,044,172,272,402,432 - Step 5: Solve for x
x = 21,302,386,044,172,272,402,432/175,398,368,256.99 - Step 6: Final answer
x = 121,451,449,382.70
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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.