Finding the Fourth Proportional to 1,412,865,660.21, 2,119,137,053.27 and 377,807,257.41
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Solution
The fourth proportional to 1,412,865,660.21, 2,119,137,053.27 and 377,807,257.41 is: 566,667,717.05
Step by Step Solution
- Step 1: Write the proportion equation
1,412,865,660.21 : 2,119,137,053.27 = 377,807,257.41 : x - Step 2: Convert to fraction form
1,412,865,660.21/2,119,137,053.27 = 377,807,257.41/x - Step 3: Cross multiply
1,412,865,660.21x = 2,119,137,053.27 × 377,807,257.41 - Step 4: Simplify right side
1,412,865,660.21x = 800,625,358,169,958,784 - Step 5: Solve for x
x = 800,625,358,169,958,784/1,412,865,660.21 - Step 6: Final answer
x = 566,667,717.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.