Finding the Fourth Proportional to 352,272,887.60, 528,409,331.40 and 229,828,881.20
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Solution
The fourth proportional to 352,272,887.60, 528,409,331.40 and 229,828,881.20 is: 344,743,321.80
Step by Step Solution
- Step 1: Write the proportion equation
352,272,887.60 : 528,409,331.40 = 229,828,881.20 : x - Step 2: Convert to fraction form
352,272,887.60/528,409,331.40 = 229,828,881.20/x - Step 3: Cross multiply
352,272,887.60x = 528,409,331.40 × 229,828,881.20 - Step 4: Simplify right side
352,272,887.60x = 121,443,725,451,302,016 - Step 5: Solve for x
x = 121,443,725,451,302,016/352,272,887.60 - Step 6: Final answer
x = 344,743,321.80
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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.