Finding the Fourth Proportional to 409,537,847.80, 614,306,771.70 and 150,938,657.20
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Solution
The fourth proportional to 409,537,847.80, 614,306,771.70 and 150,938,657.20 is: 226,407,985.80
Step by Step Solution
- Step 1: Write the proportion equation
409,537,847.80 : 614,306,771.70 = 150,938,657.20 : x - Step 2: Convert to fraction form
409,537,847.80/614,306,771.70 = 150,938,657.20/x - Step 3: Cross multiply
409,537,847.80x = 614,306,771.70 × 150,938,657.20 - Step 4: Simplify right side
409,537,847.80x = 92,722,639,229,264,960 - Step 5: Solve for x
x = 92,722,639,229,264,960/409,537,847.80 - Step 6: Final answer
x = 226,407,985.80
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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.