Finding the Fourth Proportional to 318,184,440,588.29, 439,668,898,811.68 and 226,573,945,440.29
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Solution
The fourth proportional to 318,184,440,588.29, 439,668,898,811.68 and 226,573,945,440.29 is: 313,081,044,776.95
Step by Step Solution
- Step 1: Write the proportion equation
318,184,440,588.29 : 439,668,898,811.68 = 226,573,945,440.29 : x - Step 2: Convert to fraction form
318,184,440,588.29/439,668,898,811.68 = 226,573,945,440.29/x - Step 3: Cross multiply
318,184,440,588.29x = 439,668,898,811.68 × 226,573,945,440.29 - Step 4: Simplify right side
318,184,440,588.29x = 99,617,517,091,149,964,115,968 - Step 5: Solve for x
x = 99,617,517,091,149,964,115,968/318,184,440,588.29 - Step 6: Final answer
x = 313,081,044,776.95
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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.