Finding the Fourth Proportional to 8,352,663,120.40, 12,528,994,680.60 and 5,087,489,616.40
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Solution
The fourth proportional to 8,352,663,120.40, 12,528,994,680.60 and 5,087,489,616.40 is: 7,631,234,424.60
Step by Step Solution
- Step 1: Write the proportion equation
8,352,663,120.40 : 12,528,994,680.60 = 5,087,489,616.40 : x - Step 2: Convert to fraction form
8,352,663,120.40/12,528,994,680.60 = 5,087,489,616.40/x - Step 3: Cross multiply
8,352,663,120.40x = 12,528,994,680.60 × 5,087,489,616.40 - Step 4: Simplify right side
8,352,663,120.40x = 63,741,130,341,483,331,584 - Step 5: Solve for x
x = 63,741,130,341,483,331,584/8,352,663,120.40 - Step 6: Final answer
x = 7,631,234,424.60
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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.