Finding the Fourth Proportional to 298,671,878.12, 411,852,914.02 and 235,843,742.44
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Solution
The fourth proportional to 298,671,878.12, 411,852,914.02 and 235,843,742.44 is: 325,216,197.75
Step by Step Solution
- Step 1: Write the proportion equation
298,671,878.12 : 411,852,914.02 = 235,843,742.44 : x - Step 2: Convert to fraction form
298,671,878.12/411,852,914.02 = 235,843,742.44/x - Step 3: Cross multiply
298,671,878.12x = 411,852,914.02 × 235,843,742.44 - Step 4: Simplify right side
298,671,878.12x = 97,132,932,577,296,336 - Step 5: Solve for x
x = 97,132,932,577,296,336/298,671,878.12 - Step 6: Final answer
x = 325,216,197.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.