Finding the Fourth Proportional to 291,276,118.30, 436,914,177.45 and 264,402,262.30
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Solution
The fourth proportional to 291,276,118.30, 436,914,177.45 and 264,402,262.30 is: 396,603,393.45
Step by Step Solution
- Step 1: Write the proportion equation
291,276,118.30 : 436,914,177.45 = 264,402,262.30 : x - Step 2: Convert to fraction form
291,276,118.30/436,914,177.45 = 264,402,262.30/x - Step 3: Cross multiply
291,276,118.30x = 436,914,177.45 × 264,402,262.30 - Step 4: Simplify right side
291,276,118.30x = 115,521,096,948,723,648 - Step 5: Solve for x
x = 115,521,096,948,723,648/291,276,118.30 - Step 6: Final answer
x = 396,603,393.45
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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.