Finding the Fourth Proportional to 444,705,108.29, 613,335,212.98 and 390,944,821.99
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Solution
The fourth proportional to 444,705,108.29, 613,335,212.98 and 390,944,821.99 is: 539,189,276.64
Step by Step Solution
- Step 1: Write the proportion equation
444,705,108.29 : 613,335,212.98 = 390,944,821.99 : x - Step 2: Convert to fraction form
444,705,108.29/613,335,212.98 = 390,944,821.99/x - Step 3: Cross multiply
444,705,108.29x = 613,335,212.98 × 390,944,821.99 - Step 4: Simplify right side
444,705,108.29x = 239,780,225,655,598,176 - Step 5: Solve for x
x = 239,780,225,655,598,176/444,705,108.29 - Step 6: Final answer
x = 539,189,276.64
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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.