Finding the Fourth Proportional to 808,534,440.99, 1,115,780,890.88 and 437,256,472.37
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Solution
The fourth proportional to 808,534,440.99, 1,115,780,890.88 and 437,256,472.37 is: 603,415,750.20
Step by Step Solution
- Step 1: Write the proportion equation
808,534,440.99 : 1,115,780,890.88 = 437,256,472.37 : x - Step 2: Convert to fraction form
808,534,440.99/1,115,780,890.88 = 437,256,472.37/x - Step 3: Cross multiply
808,534,440.99x = 1,115,780,890.88 × 437,256,472.37 - Step 4: Simplify right side
808,534,440.99x = 487,882,416,276,279,552 - Step 5: Solve for x
x = 487,882,416,276,279,552/808,534,440.99 - Step 6: Final answer
x = 603,415,750.20
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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.