Finding the Fourth Proportional to 264,569,765.81, 396,828,990.64 and 80,338,837.70
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Solution
The fourth proportional to 264,569,765.81, 396,828,990.64 and 80,338,837.70 is: 120,500,465.27
Step by Step Solution
- Step 1: Write the proportion equation
264,569,765.81 : 396,828,990.64 = 80,338,837.70 : x - Step 2: Convert to fraction form
264,569,765.81/396,828,990.64 = 80,338,837.70/x - Step 3: Cross multiply
264,569,765.81x = 396,828,990.64 × 80,338,837.70 - Step 4: Simplify right side
264,569,765.81x = 31,880,779,874,774,276 - Step 5: Solve for x
x = 31,880,779,874,774,276/264,569,765.81 - Step 6: Final answer
x = 120,500,465.27
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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.