Finding the Fourth Proportional to 5,679,147,342.19, 8,518,894,558.91 and 1,948,386,400.96
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Solution
The fourth proportional to 5,679,147,342.19, 8,518,894,558.91 and 1,948,386,400.96 is: 2,922,639,140.99
Step by Step Solution
- Step 1: Write the proportion equation
5,679,147,342.19 : 8,518,894,558.91 = 1,948,386,400.96 : x - Step 2: Convert to fraction form
5,679,147,342.19/8,518,894,558.91 = 1,948,386,400.96/x - Step 3: Cross multiply
5,679,147,342.19x = 8,518,894,558.91 × 1,948,386,400.96 - Step 4: Simplify right side
5,679,147,342.19x = 16,598,098,309,740,044,288 - Step 5: Solve for x
x = 16,598,098,309,740,044,288/5,679,147,342.19 - Step 6: Final answer
x = 2,922,639,140.99
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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.