Finding the Fourth Proportional to 1,182,212,387,154.10, 1,773,139,405,885.80 and 321,753,608,618.99
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Solution
The fourth proportional to 1,182,212,387,154.10, 1,773,139,405,885.80 and 321,753,608,618.99 is: 482,581,648,295.59
Step by Step Solution
- Step 1: Write the proportion equation
1,182,212,387,154.10 : 1,773,139,405,885.80 = 321,753,608,618.99 : x - Step 2: Convert to fraction form
1,182,212,387,154.10/1,773,139,405,885.80 = 321,753,608,618.99/x - Step 3: Cross multiply
1,182,212,387,154.10x = 1,773,139,405,885.80 × 321,753,608,618.99 - Step 4: Simplify right side
1,182,212,387,154.10x = 570,514,002,428,288,156,303,360 - Step 5: Solve for x
x = 570,514,002,428,288,156,303,360/1,182,212,387,154.10 - Step 6: Final answer
x = 482,581,648,295.59
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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.