Finding the Fourth Proportional to 325,926,519.30, 488,889,778.95 and 249,399,015.30
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Solution
The fourth proportional to 325,926,519.30, 488,889,778.95 and 249,399,015.30 is: 374,098,522.95
Step by Step Solution
- Step 1: Write the proportion equation
325,926,519.30 : 488,889,778.95 = 249,399,015.30 : x - Step 2: Convert to fraction form
325,926,519.30/488,889,778.95 = 249,399,015.30/x - Step 3: Cross multiply
325,926,519.30x = 488,889,778.95 × 249,399,015.30 - Step 4: Simplify right side
325,926,519.30x = 121,928,629,460,364,672 - Step 5: Solve for x
x = 121,928,629,460,364,672/325,926,519.30 - Step 6: Final answer
x = 374,098,522.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.