Finding the Fourth Proportional to 445,078,192.68, 614,126,692.98 and 256,837,813.74
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Solution
The fourth proportional to 445,078,192.68, 614,126,692.98 and 256,837,813.74 is: 354,389,318.05
Step by Step Solution
- Step 1: Write the proportion equation
445,078,192.68 : 614,126,692.98 = 256,837,813.74 : x - Step 2: Convert to fraction form
445,078,192.68/614,126,692.98 = 256,837,813.74/x - Step 3: Cross multiply
445,078,192.68x = 614,126,692.98 × 256,837,813.74 - Step 4: Simplify right side
445,078,192.68x = 157,730,957,184,359,424 - Step 5: Solve for x
x = 157,730,957,184,359,424/445,078,192.68 - Step 6: Final answer
x = 354,389,318.05
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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.