Finding the Fourth Proportional to 956,962,979.20, 1,435,444,468.80 and 343,467,488.80
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Solution
The fourth proportional to 956,962,979.20, 1,435,444,468.80 and 343,467,488.80 is: 515,201,233.20
Step by Step Solution
- Step 1: Write the proportion equation
956,962,979.20 : 1,435,444,468.80 = 343,467,488.80 : x - Step 2: Convert to fraction form
956,962,979.20/1,435,444,468.80 = 343,467,488.80/x - Step 3: Cross multiply
956,962,979.20x = 1,435,444,468.80 × 343,467,488.80 - Step 4: Simplify right side
956,962,979.20x = 493,028,507,010,585,920 - Step 5: Solve for x
x = 493,028,507,010,585,920/956,962,979.20 - Step 6: Final answer
x = 515,201,233.20
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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.