Finding the Fourth Proportional to 494,148,565.92, 681,926,315.84 and 268,087,537.84
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Solution
The fourth proportional to 494,148,565.92, 681,926,315.84 and 268,087,537.84 is: 369,961,504.72
Step by Step Solution
- Step 1: Write the proportion equation
494,148,565.92 : 681,926,315.84 = 268,087,537.84 : x - Step 2: Convert to fraction form
494,148,565.92/681,926,315.84 = 268,087,537.84/x - Step 3: Cross multiply
494,148,565.92x = 681,926,315.84 × 268,087,537.84 - Step 4: Simplify right side
494,148,565.92x = 182,815,947,001,847,808 - Step 5: Solve for x
x = 182,815,947,001,847,808/494,148,565.92 - Step 6: Final answer
x = 369,961,504.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.