Finding the Fourth Proportional to 808,534,595.98, 1,115,781,105.34 and 437,256,627.36
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Solution
The fourth proportional to 808,534,595.98, 1,115,781,105.34 and 437,256,627.36 is: 603,415,964.41
Step by Step Solution
- Step 1: Write the proportion equation
808,534,595.98 : 1,115,781,105.34 = 437,256,627.36 : x - Step 2: Convert to fraction form
808,534,595.98/1,115,781,105.34 = 437,256,627.36/x - Step 3: Cross multiply
808,534,595.98x = 1,115,781,105.34 × 437,256,627.36 - Step 4: Simplify right side
808,534,595.98x = 487,882,682,992,981,248 - Step 5: Solve for x
x = 487,882,682,992,981,248/808,534,595.98 - Step 6: Final answer
x = 603,415,964.41
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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.