Finding the Fourth Proportional to 477,751,311.31, 716,667,639.47 and 145,832,874.48
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Solution
The fourth proportional to 477,751,311.31, 716,667,639.47 and 145,832,874.48 is: 218,761,726.95
Step by Step Solution
- Step 1: Write the proportion equation
477,751,311.31 : 716,667,639.47 = 145,832,874.48 : x - Step 2: Convert to fraction form
477,751,311.31/716,667,639.47 = 145,832,874.48/x - Step 3: Cross multiply
477,751,311.31x = 716,667,639.47 × 145,832,874.48 - Step 4: Simplify right side
477,751,311.31x = 104,513,701,913,157,744 - Step 5: Solve for x
x = 104,513,701,913,157,744/477,751,311.31 - Step 6: Final answer
x = 218,761,726.95
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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.