Finding the Fourth Proportional to 477,638,197.44, 716,430,347.28 and 211,667,308.08
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Solution
The fourth proportional to 477,638,197.44, 716,430,347.28 and 211,667,308.08 is: 317,489,019.61
Step by Step Solution
- Step 1: Write the proportion equation
477,638,197.44 : 716,430,347.28 = 211,667,308.08 : x - Step 2: Convert to fraction form
477,638,197.44/716,430,347.28 = 211,667,308.08/x - Step 3: Cross multiply
477,638,197.44x = 716,430,347.28 × 211,667,308.08 - Step 4: Simplify right side
477,638,197.44x = 151,644,883,035,577,152 - Step 5: Solve for x
x = 151,644,883,035,577,152/477,638,197.44 - Step 6: Final answer
x = 317,489,019.61
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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.