Finding the Fourth Proportional to 695,423,062.20, 1,043,134,593.30 and 684,673,519.80
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Solution
The fourth proportional to 695,423,062.20, 1,043,134,593.30 and 684,673,519.80 is: 1,027,010,279.70
Step by Step Solution
- Step 1: Write the proportion equation
695,423,062.20 : 1,043,134,593.30 = 684,673,519.80 : x - Step 2: Convert to fraction form
695,423,062.20/1,043,134,593.30 = 684,673,519.80/x - Step 3: Cross multiply
695,423,062.20x = 1,043,134,593.30 × 684,673,519.80 - Step 4: Simplify right side
695,423,062.20x = 714,206,633,619,852,416 - Step 5: Solve for x
x = 714,206,633,619,852,416/695,423,062.20 - Step 6: Final answer
x = 1,027,010,279.70
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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.