Finding the Fourth Proportional to 409,249,330.60, 613,351,448.70 and 166,638,130.60
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Solution
The fourth proportional to 409,249,330.60, 613,351,448.70 and 166,638,130.60 is: 249,744,425.15
Step by Step Solution
- Step 1: Write the proportion equation
409,249,330.60 : 613,351,448.70 = 166,638,130.60 : x - Step 2: Convert to fraction form
409,249,330.60/613,351,448.70 = 166,638,130.60/x - Step 3: Cross multiply
409,249,330.60x = 613,351,448.70 × 166,638,130.60 - Step 4: Simplify right side
409,249,330.60x = 102,207,738,812,169,808 - Step 5: Solve for x
x = 102,207,738,812,169,808/409,249,330.60 - Step 6: Final answer
x = 249,744,425.15
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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.