Finding the Fourth Proportional to 8,084,880,205.20, 12,127,320,307.80 and 2,564,570,278.80
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Solution
The fourth proportional to 8,084,880,205.20, 12,127,320,307.80 and 2,564,570,278.80 is: 3,846,855,418.20
Step by Step Solution
- Step 1: Write the proportion equation
8,084,880,205.20 : 12,127,320,307.80 = 2,564,570,278.80 : x - Step 2: Convert to fraction form
8,084,880,205.20/12,127,320,307.80 = 2,564,570,278.80/x - Step 3: Cross multiply
8,084,880,205.20x = 12,127,320,307.80 × 2,564,570,278.80 - Step 4: Simplify right side
8,084,880,205.20x = 31,101,365,222,871,547,904 - Step 5: Solve for x
x = 31,101,365,222,871,547,904/8,084,880,205.20 - Step 6: Final answer
x = 3,846,855,418.20
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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.