Finding the Fourth Proportional to 548,051,497.70, 822,077,246.55 and 548,051,497.70
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Solution
The fourth proportional to 548,051,497.70, 822,077,246.55 and 548,051,497.70 is: 822,077,246.55
Step by Step Solution
- Step 1: Write the proportion equation
548,051,497.70 : 822,077,246.55 = 548,051,497.70 : x - Step 2: Convert to fraction form
548,051,497.70/822,077,246.55 = 548,051,497.70/x - Step 3: Cross multiply
548,051,497.70x = 822,077,246.55 × 548,051,497.70 - Step 4: Simplify right side
548,051,497.70x = 450,540,666,196,819,648 - Step 5: Solve for x
x = 450,540,666,196,819,648/548,051,497.70 - Step 6: Final answer
x = 822,077,246.55
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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.