Finding the Fourth Proportional to 1,681,081,867.20, 2,521,622,800.80 and 532,224,523.20
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Solution
The fourth proportional to 1,681,081,867.20, 2,521,622,800.80 and 532,224,523.20 is: 798,336,784.80
Step by Step Solution
- Step 1: Write the proportion equation
1,681,081,867.20 : 2,521,622,800.80 = 532,224,523.20 : x - Step 2: Convert to fraction form
1,681,081,867.20/2,521,622,800.80 = 532,224,523.20/x - Step 3: Cross multiply
1,681,081,867.20x = 2,521,622,800.80 × 532,224,523.20 - Step 4: Simplify right side
1,681,081,867.20x = 1,342,069,492,846,028,544 - Step 5: Solve for x
x = 1,342,069,492,846,028,544/1,681,081,867.20 - Step 6: Final answer
x = 798,336,784.80
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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.