Finding the Fourth Proportional to 6,518,402,530.80, 9,777,603,796.20 and 2,377,981,129.20
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Solution
The fourth proportional to 6,518,402,530.80, 9,777,603,796.20 and 2,377,981,129.20 is: 3,566,971,693.80
Step by Step Solution
- Step 1: Write the proportion equation
6,518,402,530.80 : 9,777,603,796.20 = 2,377,981,129.20 : x - Step 2: Convert to fraction form
6,518,402,530.80/9,777,603,796.20 = 2,377,981,129.20/x - Step 3: Cross multiply
6,518,402,530.80x = 9,777,603,796.20 × 2,377,981,129.20 - Step 4: Simplify right side
6,518,402,530.80x = 23,250,957,316,157,882,368 - Step 5: Solve for x
x = 23,250,957,316,157,882,368/6,518,402,530.80 - Step 6: Final answer
x = 3,566,971,693.80
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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.