Finding the Fourth Proportional to 695,423,233.20, 1,043,134,849.80 and 684,673,690.80
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Solution
The fourth proportional to 695,423,233.20, 1,043,134,849.80 and 684,673,690.80 is: 1,027,010,536.20
Step by Step Solution
- Step 1: Write the proportion equation
695,423,233.20 : 1,043,134,849.80 = 684,673,690.80 : x - Step 2: Convert to fraction form
695,423,233.20/1,043,134,849.80 = 684,673,690.80/x - Step 3: Cross multiply
695,423,233.20x = 1,043,134,849.80 × 684,673,690.80 - Step 4: Simplify right side
695,423,233.20x = 714,206,987,614,669,568 - Step 5: Solve for x
x = 714,206,987,614,669,568/695,423,233.20 - Step 6: Final answer
x = 1,027,010,536.20
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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.