Finding the Fourth Proportional to 411,722,319.35, 568,186,672.18 and 223,558,543.98
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Solution
The fourth proportional to 411,722,319.35, 568,186,672.18 and 223,558,543.98 is: 308,516,150.74
Step by Step Solution
- Step 1: Write the proportion equation
411,722,319.35 : 568,186,672.18 = 223,558,543.98 : x - Step 2: Convert to fraction form
411,722,319.35/568,186,672.18 = 223,558,543.98/x - Step 3: Cross multiply
411,722,319.35x = 568,186,672.18 × 223,558,543.98 - Step 4: Simplify right side
411,722,319.35x = 127,022,985,140,843,472 - Step 5: Solve for x
x = 127,022,985,140,843,472/411,722,319.35 - Step 6: Final answer
x = 308,516,150.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.