Finding the Fourth Proportional to 2,123,645,416.99, 3,185,595,811.65 and 649,797,994.91
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Solution
The fourth proportional to 2,123,645,416.99, 3,185,595,811.65 and 649,797,994.91 is: 974,736,062.07
Step by Step Solution
- Step 1: Write the proportion equation
2,123,645,416.99 : 3,185,595,811.65 = 649,797,994.91 : x - Step 2: Convert to fraction form
2,123,645,416.99/3,185,595,811.65 = 649,797,994.91/x - Step 3: Cross multiply
2,123,645,416.99x = 3,185,595,811.65 × 649,797,994.91 - Step 4: Simplify right side
2,123,645,416.99x = 2,069,993,770,984,686,848 - Step 5: Solve for x
x = 2,069,993,770,984,686,848/2,123,645,416.99 - Step 6: Final answer
x = 974,736,062.07
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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.