Finding the Fourth Proportional to 859,590,902.80, 1,289,386,354.20 and 596,563,037.20
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Solution
The fourth proportional to 859,590,902.80, 1,289,386,354.20 and 596,563,037.20 is: 894,844,555.80
Step by Step Solution
- Step 1: Write the proportion equation
859,590,902.80 : 1,289,386,354.20 = 596,563,037.20 : x - Step 2: Convert to fraction form
859,590,902.80/1,289,386,354.20 = 596,563,037.20/x - Step 3: Cross multiply
859,590,902.80x = 1,289,386,354.20 × 596,563,037.20 - Step 4: Simplify right side
859,590,902.80x = 769,200,239,585,787,008 - Step 5: Solve for x
x = 769,200,239,585,787,008/859,590,902.80 - Step 6: Final answer
x = 894,844,555.80
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Double scale
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Similar ratio
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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.