Finding the Fourth Proportional to 806,544,713.64, 1,210,032,366.34 and 289,027,467.84
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Solution
The fourth proportional to 806,544,713.64, 1,210,032,366.34 and 289,027,467.84 is: 433,618,353.62
Step by Step Solution
- Step 1: Write the proportion equation
806,544,713.64 : 1,210,032,366.34 = 289,027,467.84 : x - Step 2: Convert to fraction form
806,544,713.64/1,210,032,366.34 = 289,027,467.84/x - Step 3: Cross multiply
806,544,713.64x = 1,210,032,366.34 × 289,027,467.84 - Step 4: Simplify right side
806,544,713.64x = 349,732,590,844,393,408 - Step 5: Solve for x
x = 349,732,590,844,393,408/806,544,713.64 - Step 6: Final answer
x = 433,618,353.62
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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.