Finding the Fourth Proportional to 409,756,346.92, 614,546,457.33 and 129,659,457.53
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Solution
The fourth proportional to 409,756,346.92, 614,546,457.33 and 129,659,457.53 is: 194,461,320.45
Step by Step Solution
- Step 1: Write the proportion equation
409,756,346.92 : 614,546,457.33 = 129,659,457.53 : x - Step 2: Convert to fraction form
409,756,346.92/614,546,457.33 = 129,659,457.53/x - Step 3: Cross multiply
409,756,346.92x = 614,546,457.33 × 129,659,457.53 - Step 4: Simplify right side
409,756,346.92x = 79,681,760,284,391,104 - Step 5: Solve for x
x = 79,681,760,284,391,104/409,756,346.92 - Step 6: Final answer
x = 194,461,320.45
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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.