Finding the Fourth Proportional to 695,714,250.80, 1,043,571,376.20 and 286,559,793.20
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Solution
The fourth proportional to 695,714,250.80, 1,043,571,376.20 and 286,559,793.20 is: 429,839,689.80
Step by Step Solution
- Step 1: Write the proportion equation
695,714,250.80 : 1,043,571,376.20 = 286,559,793.20 : x - Step 2: Convert to fraction form
695,714,250.80/1,043,571,376.20 = 286,559,793.20/x - Step 3: Cross multiply
695,714,250.80x = 1,043,571,376.20 × 286,559,793.20 - Step 4: Simplify right side
695,714,250.80x = 299,045,597,753,311,424 - Step 5: Solve for x
x = 299,045,597,753,311,424/695,714,250.80 - Step 6: Final answer
x = 429,839,689.80
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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.