Finding the Fourth Proportional to 558,981,036.05, 838,471,554.08 and 558,981,036.05
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Solution
The fourth proportional to 558,981,036.05, 838,471,554.08 and 558,981,036.05 is: 838,471,554.08
Step by Step Solution
- Step 1: Write the proportion equation
558,981,036.05 : 838,471,554.08 = 558,981,036.05 : x - Step 2: Convert to fraction form
558,981,036.05/838,471,554.08 = 558,981,036.05/x - Step 3: Cross multiply
558,981,036.05x = 838,471,554.08 × 558,981,036.05 - Step 4: Simplify right side
558,981,036.05x = 468,689,697,995,297,088 - Step 5: Solve for x
x = 468,689,697,995,297,088/558,981,036.05 - Step 6: Final answer
x = 838,471,554.08
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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.