Finding the Fourth Proportional to 319,595,518.35, 440,916,327.68 and 185,610,626.41
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Solution
The fourth proportional to 319,595,518.35, 440,916,327.68 and 185,610,626.41 is: 256,069,785.33
Step by Step Solution
- Step 1: Write the proportion equation
319,595,518.35 : 440,916,327.68 = 185,610,626.41 : x - Step 2: Convert to fraction form
319,595,518.35/440,916,327.68 = 185,610,626.41/x - Step 3: Cross multiply
319,595,518.35x = 440,916,327.68 × 185,610,626.41 - Step 4: Simplify right side
319,595,518.35x = 81,838,755,775,719,888 - Step 5: Solve for x
x = 81,838,755,775,719,888/319,595,518.35 - Step 6: Final answer
x = 256,069,785.33
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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.