Finding the Fourth Proportional to 3,187,630,873.20, 4,397,257,707.48 and 2,593,579,620.72
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Solution
The fourth proportional to 3,187,630,873.20, 4,397,257,707.48 and 2,593,579,620.72 is: 3,577,778,742.53
Step by Step Solution
- Step 1: Write the proportion equation
3,187,630,873.20 : 4,397,257,707.48 = 2,593,579,620.72 : x - Step 2: Convert to fraction form
3,187,630,873.20/4,397,257,707.48 = 2,593,579,620.72/x - Step 3: Cross multiply
3,187,630,873.20x = 4,397,257,707.48 × 2,593,579,620.72 - Step 4: Simplify right side
3,187,630,873.20x = 11,404,637,977,174,073,344 - Step 5: Solve for x
x = 11,404,637,977,174,073,344/3,187,630,873.20 - Step 6: Final answer
x = 3,577,778,742.53
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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.