Finding the Fourth Proportional to 617,290,415.24, 929,630,839.84 and 562,190,612.36
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Solution
The fourth proportional to 617,290,415.24, 929,630,839.84 and 562,190,612.36 is: 846,651,297.70
Step by Step Solution
- Step 1: Write the proportion equation
617,290,415.24 : 929,630,839.84 = 562,190,612.36 : x - Step 2: Convert to fraction form
617,290,415.24/929,630,839.84 = 562,190,612.36/x - Step 3: Cross multiply
617,290,415.24x = 929,630,839.84 × 562,190,612.36 - Step 4: Simplify right side
617,290,415.24x = 522,629,731,118,390,720 - Step 5: Solve for x
x = 522,629,731,118,390,720/617,290,415.24 - Step 6: Final answer
x = 846,651,297.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.