Finding the Fourth Proportional to 1,233,716,373.99, 1,702,518,519.29 and 669,199,842.50
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Solution
The fourth proportional to 1,233,716,373.99, 1,702,518,519.29 and 669,199,842.50 is: 923,490,316.71
Step by Step Solution
- Step 1: Write the proportion equation
1,233,716,373.99 : 1,702,518,519.29 = 669,199,842.50 : x - Step 2: Convert to fraction form
1,233,716,373.99/1,702,518,519.29 = 669,199,842.50/x - Step 3: Cross multiply
1,233,716,373.99x = 1,702,518,519.29 × 669,199,842.50 - Step 4: Simplify right side
1,233,716,373.99x = 1,139,325,124,950,342,656 - Step 5: Solve for x
x = 1,139,325,124,950,342,656/1,233,716,373.99 - Step 6: Final answer
x = 923,490,316.71
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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.