Finding the Fourth Proportional to 634,577,657.24, 875,108,579.82 and 408,285,678.44
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Solution
The fourth proportional to 634,577,657.24, 875,108,579.82 and 408,285,678.44 is: 563,042,672.78
Step by Step Solution
- Step 1: Write the proportion equation
634,577,657.24 : 875,108,579.82 = 408,285,678.44 : x - Step 2: Convert to fraction form
634,577,657.24/875,108,579.82 = 408,285,678.44/x - Step 3: Cross multiply
634,577,657.24x = 875,108,579.82 × 408,285,678.44 - Step 4: Simplify right side
634,577,657.24x = 357,294,300,220,473,600 - Step 5: Solve for x
x = 357,294,300,220,473,600/634,577,657.24 - Step 6: Final answer
x = 563,042,672.78
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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.