Finding the Fourth Proportional to 598,764,617.70, 898,146,926.55 and 276,278,345.70
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Solution
The fourth proportional to 598,764,617.70, 898,146,926.55 and 276,278,345.70 is: 414,417,518.55
Step by Step Solution
- Step 1: Write the proportion equation
598,764,617.70 : 898,146,926.55 = 276,278,345.70 : x - Step 2: Convert to fraction form
598,764,617.70/898,146,926.55 = 276,278,345.70/x - Step 3: Cross multiply
598,764,617.70x = 898,146,926.55 × 276,278,345.70 - Step 4: Simplify right side
598,764,617.70x = 248,138,547,062,773,376 - Step 5: Solve for x
x = 248,138,547,062,773,376/598,764,617.70 - Step 6: Final answer
x = 414,417,518.55
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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.