Finding the Fourth Proportional to 456,264,034.20, 684,396,051.30 and 440,139,720.60
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Solution
The fourth proportional to 456,264,034.20, 684,396,051.30 and 440,139,720.60 is: 660,209,580.90
Step by Step Solution
- Step 1: Write the proportion equation
456,264,034.20 : 684,396,051.30 = 440,139,720.60 : x - Step 2: Convert to fraction form
456,264,034.20/684,396,051.30 = 440,139,720.60/x - Step 3: Cross multiply
456,264,034.20x = 684,396,051.30 × 440,139,720.60 - Step 4: Simplify right side
456,264,034.20x = 301,229,886,798,925,248 - Step 5: Solve for x
x = 301,229,886,798,925,248/456,264,034.20 - Step 6: Final answer
x = 660,209,580.90
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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.