Finding the Fourth Proportional to 936,055,298.93, 1,291,796,917.94 and 518,367,584.23
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Solution
The fourth proportional to 936,055,298.93, 1,291,796,917.94 and 518,367,584.23 is: 715,369,752.65
Step by Step Solution
- Step 1: Write the proportion equation
936,055,298.93 : 1,291,796,917.94 = 518,367,584.23 : x - Step 2: Convert to fraction form
936,055,298.93/1,291,796,917.94 = 518,367,584.23/x - Step 3: Cross multiply
936,055,298.93x = 1,291,796,917.94 × 518,367,584.23 - Step 4: Simplify right side
936,055,298.93x = 669,625,647,662,496,000 - Step 5: Solve for x
x = 669,625,647,662,496,000/936,055,298.93 - Step 6: Final answer
x = 715,369,752.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.