Finding the Fourth Proportional to 5,899,134,445.99, 8,140,808,801.72 and 3,186,402,237.49
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Solution
The fourth proportional to 5,899,134,445.99, 8,140,808,801.72 and 3,186,402,237.49 is: 4,397,236,851.99
Step by Step Solution
- Step 1: Write the proportion equation
5,899,134,445.99 : 8,140,808,801.72 = 3,186,402,237.49 : x - Step 2: Convert to fraction form
5,899,134,445.99/8,140,808,801.72 = 3,186,402,237.49/x - Step 3: Cross multiply
5,899,134,445.99x = 8,140,808,801.72 × 3,186,402,237.49 - Step 4: Simplify right side
5,899,134,445.99x = 25,939,891,380,778,893,312 - Step 5: Solve for x
x = 25,939,891,380,778,893,312/5,899,134,445.99 - Step 6: Final answer
x = 4,397,236,851.99
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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.