Finding the Fourth Proportional to 545,014,531.93, 817,482,253.13 and 212,959,104.99
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Solution
The fourth proportional to 545,014,531.93, 817,482,253.13 and 212,959,104.99 is: 319,423,205.76
Step by Step Solution
- Step 1: Write the proportion equation
545,014,531.93 : 817,482,253.13 = 212,959,104.99 : x - Step 2: Convert to fraction form
545,014,531.93/817,482,253.13 = 212,959,104.99/x - Step 3: Cross multiply
545,014,531.93x = 817,482,253.13 × 212,959,104.99 - Step 4: Simplify right side
545,014,531.93x = 174,090,288,972,305,856 - Step 5: Solve for x
x = 174,090,288,972,305,856/545,014,531.93 - Step 6: Final answer
x = 319,423,205.76
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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.