Finding the Fourth Proportional to 859,426,630.08, 1,289,520,980.64 and 450,385,529.28
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Solution
The fourth proportional to 859,426,630.08, 1,289,520,980.64 and 450,385,529.28 is: 675,777,976.92
Step by Step Solution
- Step 1: Write the proportion equation
859,426,630.08 : 1,289,520,980.64 = 450,385,529.28 : x - Step 2: Convert to fraction form
859,426,630.08/1,289,520,980.64 = 450,385,529.28/x - Step 3: Cross multiply
859,426,630.08x = 1,289,520,980.64 × 450,385,529.28 - Step 4: Simplify right side
859,426,630.08x = 580,781,589,383,211,008 - Step 5: Solve for x
x = 580,781,589,383,211,008/859,426,630.08 - Step 6: Final answer
x = 675,777,976.92
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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.