Finding the Fourth Proportional to 630,078,761.24, 945,118,141.85 and 170,016,192.44
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Solution
The fourth proportional to 630,078,761.24, 945,118,141.85 and 170,016,192.44 is: 255,024,288.65
Step by Step Solution
- Step 1: Write the proportion equation
630,078,761.24 : 945,118,141.85 = 170,016,192.44 : x - Step 2: Convert to fraction form
630,078,761.24/945,118,141.85 = 170,016,192.44/x - Step 3: Cross multiply
630,078,761.24x = 945,118,141.85 × 170,016,192.44 - Step 4: Simplify right side
630,078,761.24x = 160,685,387,879,004,256 - Step 5: Solve for x
x = 160,685,387,879,004,256/630,078,761.24 - Step 6: Final answer
x = 255,024,288.65
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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.