Finding the Fourth Proportional to 797,163,067.20, 1,195,744,600.80 and 507,315,145.80
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Solution
The fourth proportional to 797,163,067.20, 1,195,744,600.80 and 507,315,145.80 is: 760,972,718.70
Step by Step Solution
- Step 1: Write the proportion equation
797,163,067.20 : 1,195,744,600.80 = 507,315,145.80 : x - Step 2: Convert to fraction form
797,163,067.20/1,195,744,600.80 = 507,315,145.80/x - Step 3: Cross multiply
797,163,067.20x = 1,195,744,600.80 × 507,315,145.80 - Step 4: Simplify right side
797,163,067.20x = 606,619,346,494,414,848 - Step 5: Solve for x
x = 606,619,346,494,414,848/797,163,067.20 - Step 6: Final answer
x = 760,972,718.70
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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.