Finding the Fourth Proportional to 2,926,682,907.96, 4,390,886,744.82 and 1,178,986,299.96
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Solution
The fourth proportional to 2,926,682,907.96, 4,390,886,744.82 and 1,178,986,299.96 is: 1,768,826,852.66
Step by Step Solution
- Step 1: Write the proportion equation
2,926,682,907.96 : 4,390,886,744.82 = 1,178,986,299.96 : x - Step 2: Convert to fraction form
2,926,682,907.96/4,390,886,744.82 = 1,178,986,299.96/x - Step 3: Cross multiply
2,926,682,907.96x = 4,390,886,744.82 × 1,178,986,299.96 - Step 4: Simplify right side
2,926,682,907.96x = 5,176,795,316,818,740,224 - Step 5: Solve for x
x = 5,176,795,316,818,740,224/2,926,682,907.96 - Step 6: Final answer
x = 1,768,826,852.66
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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.