Finding the Fourth Proportional to 663,552,410.80, 995,328,616.20 and 623,208,449.20
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Solution
The fourth proportional to 663,552,410.80, 995,328,616.20 and 623,208,449.20 is: 934,812,673.80
Step by Step Solution
- Step 1: Write the proportion equation
663,552,410.80 : 995,328,616.20 = 623,208,449.20 : x - Step 2: Convert to fraction form
663,552,410.80/995,328,616.20 = 623,208,449.20/x - Step 3: Cross multiply
663,552,410.80x = 995,328,616.20 × 623,208,449.20 - Step 4: Simplify right side
663,552,410.80x = 620,297,203,346,384,128 - Step 5: Solve for x
x = 620,297,203,346,384,128/663,552,410.80 - Step 6: Final answer
x = 934,812,673.80
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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.