Finding the Fourth Proportional to 943,649,010.99, 1,415,818,674.41 and 439,105,956.12
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Solution
The fourth proportional to 943,649,010.99, 1,415,818,674.41 and 439,105,956.12 is: 658,819,545.70
Step by Step Solution
- Step 1: Write the proportion equation
943,649,010.99 : 1,415,818,674.41 = 439,105,956.12 : x - Step 2: Convert to fraction form
943,649,010.99/1,415,818,674.41 = 439,105,956.12/x - Step 3: Cross multiply
943,649,010.99x = 1,415,818,674.41 × 439,105,956.12 - Step 4: Simplify right side
943,649,010.99x = 621,694,412,717,158,528 - Step 5: Solve for x
x = 621,694,412,717,158,528/943,649,010.99 - Step 6: Final answer
x = 658,819,545.70
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1.5x scale
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.