Finding the Fourth Proportional to 798,452,096.80, 1,195,886,554.80 and 655,124,864.80
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Solution
The fourth proportional to 798,452,096.80, 1,195,886,554.80 and 655,124,864.80 is: 981,217,308.68
Step by Step Solution
- Step 1: Write the proportion equation
798,452,096.80 : 1,195,886,554.80 = 655,124,864.80 : x - Step 2: Convert to fraction form
798,452,096.80/1,195,886,554.80 = 655,124,864.80/x - Step 3: Cross multiply
798,452,096.80x = 1,195,886,554.80 × 655,124,864.80 - Step 4: Simplify right side
798,452,096.80x = 783,455,017,529,487,744 - Step 5: Solve for x
x = 783,455,017,529,487,744/798,452,096.80 - Step 6: Final answer
x = 981,217,308.68
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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.