Finding the Fourth Proportional to 880,675,323.36, 1,215,260,066.67 and 518,512,121.47
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Solution
The fourth proportional to 880,675,323.36, 1,215,260,066.67 and 518,512,121.47 is: 715,504,407.35
Step by Step Solution
- Step 1: Write the proportion equation
880,675,323.36 : 1,215,260,066.67 = 518,512,121.47 : x - Step 2: Convert to fraction form
880,675,323.36/1,215,260,066.67 = 518,512,121.47/x - Step 3: Cross multiply
880,675,323.36x = 1,215,260,066.67 × 518,512,121.47 - Step 4: Simplify right side
880,675,323.36x = 630,127,075,306,384,000 - Step 5: Solve for x
x = 630,127,075,306,384,000/880,675,323.36 - Step 6: Final answer
x = 715,504,407.35
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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.