Finding the Fourth Proportional to 453,621,703.10, 679,984,657.05 and 223,402,336.70
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Solution
The fourth proportional to 453,621,703.10, 679,984,657.05 and 223,402,336.70 is: 334,882,921.75
Step by Step Solution
- Step 1: Write the proportion equation
453,621,703.10 : 679,984,657.05 = 223,402,336.70 : x - Step 2: Convert to fraction form
453,621,703.10/679,984,657.05 = 223,402,336.70/x - Step 3: Cross multiply
453,621,703.10x = 679,984,657.05 × 223,402,336.70 - Step 4: Simplify right side
453,621,703.10x = 151,910,161,305,118,112 - Step 5: Solve for x
x = 151,910,161,305,118,112/453,621,703.10 - Step 6: Final answer
x = 334,882,921.75
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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.