Finding the Fourth Proportional to 268,903,497.60, 403,355,246.40 and 177,070,492.80
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Solution
The fourth proportional to 268,903,497.60, 403,355,246.40 and 177,070,492.80 is: 265,605,739.20
Step by Step Solution
- Step 1: Write the proportion equation
268,903,497.60 : 403,355,246.40 = 177,070,492.80 : x - Step 2: Convert to fraction form
268,903,497.60/403,355,246.40 = 177,070,492.80/x - Step 3: Cross multiply
268,903,497.60x = 403,355,246.40 × 177,070,492.80 - Step 4: Simplify right side
268,903,497.60x = 71,422,312,253,513,424 - Step 5: Solve for x
x = 71,422,312,253,513,424/268,903,497.60 - Step 6: Final answer
x = 265,605,739.20
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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.