Finding the Fourth Proportional to 399,041,024.40, 598,561,536.60 and 235,782,349.20
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Solution
The fourth proportional to 399,041,024.40, 598,561,536.60 and 235,782,349.20 is: 353,673,523.80
Step by Step Solution
- Step 1: Write the proportion equation
399,041,024.40 : 598,561,536.60 = 235,782,349.20 : x - Step 2: Convert to fraction form
399,041,024.40/598,561,536.60 = 235,782,349.20/x - Step 3: Cross multiply
399,041,024.40x = 598,561,536.60 × 235,782,349.20 - Step 4: Simplify right side
399,041,024.40x = 141,130,245,240,309,776 - Step 5: Solve for x
x = 141,130,245,240,309,776/399,041,024.40 - Step 6: Final answer
x = 353,673,523.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.