Finding the Fourth Proportional to 3,166,234,134.66, 4,367,587,758.74 and 1,974,734,518.41
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Solution
The fourth proportional to 3,166,234,134.66, 4,367,587,758.74 and 1,974,734,518.41 is: 2,724,001,429.63
Step by Step Solution
- Step 1: Write the proportion equation
3,166,234,134.66 : 4,367,587,758.74 = 1,974,734,518.41 : x - Step 2: Convert to fraction form
3,166,234,134.66/4,367,587,758.74 = 1,974,734,518.41/x - Step 3: Cross multiply
3,166,234,134.66x = 4,367,587,758.74 × 1,974,734,518.41 - Step 4: Simplify right side
3,166,234,134.66x = 8,624,826,309,358,970,880 - Step 5: Solve for x
x = 8,624,826,309,358,970,880/3,166,234,134.66 - Step 6: Final answer
x = 2,724,001,429.63
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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.