Finding the Fourth Proportional to 598,767,631.20, 898,151,446.80 and 276,281,359.20
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Solution
The fourth proportional to 598,767,631.20, 898,151,446.80 and 276,281,359.20 is: 414,422,038.80
Step by Step Solution
- Step 1: Write the proportion equation
598,767,631.20 : 898,151,446.80 = 276,281,359.20 : x - Step 2: Convert to fraction form
598,767,631.20/898,151,446.80 = 276,281,359.20/x - Step 3: Cross multiply
598,767,631.20x = 898,151,446.80 × 276,281,359.20 - Step 4: Simplify right side
598,767,631.20x = 248,142,502,489,350,464 - Step 5: Solve for x
x = 248,142,502,489,350,464/598,767,631.20 - Step 6: Final answer
x = 414,422,038.80
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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.