Finding the Fourth Proportional to 6,518,403,352.80, 9,777,605,029.20 and 2,377,981,951.20
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Solution
The fourth proportional to 6,518,403,352.80, 9,777,605,029.20 and 2,377,981,951.20 is: 3,566,972,926.80
Step by Step Solution
- Step 1: Write the proportion equation
6,518,403,352.80 : 9,777,605,029.20 = 2,377,981,951.20 : x - Step 2: Convert to fraction form
6,518,403,352.80/9,777,605,029.20 = 2,377,981,951.20/x - Step 3: Cross multiply
6,518,403,352.80x = 9,777,605,029.20 × 2,377,981,951.20 - Step 4: Simplify right side
6,518,403,352.80x = 23,250,968,285,399,949,312 - Step 5: Solve for x
x = 23,250,968,285,399,949,312/6,518,403,352.80 - Step 6: Final answer
x = 3,566,972,926.80
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Double scale
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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.