Finding the Fourth Proportional to 4,353,680,171.52, 6,529,180,763.52 and 1,247,430,533.76
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Solution
The fourth proportional to 4,353,680,171.52, 6,529,180,763.52 and 1,247,430,533.76 is: 1,870,762,004.55
Step by Step Solution
- Step 1: Write the proportion equation
4,353,680,171.52 : 6,529,180,763.52 = 1,247,430,533.76 : x - Step 2: Convert to fraction form
4,353,680,171.52/6,529,180,763.52 = 1,247,430,533.76/x - Step 3: Cross multiply
4,353,680,171.52x = 6,529,180,763.52 × 1,247,430,533.76 - Step 4: Simplify right side
4,353,680,171.52x = 8,144,699,444,853,278,720 - Step 5: Solve for x
x = 8,144,699,444,853,278,720/4,353,680,171.52 - Step 6: Final answer
x = 1,870,762,004.55
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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.