Finding the Fourth Proportional to 1,182,212,387,149.10, 1,773,139,405,878.30 and 321,753,608,613.99
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Solution
The fourth proportional to 1,182,212,387,149.10, 1,773,139,405,878.30 and 321,753,608,613.99 is: 482,581,648,288.09
Step by Step Solution
- Step 1: Write the proportion equation
1,182,212,387,149.10 : 1,773,139,405,878.30 = 321,753,608,613.99 : x - Step 2: Convert to fraction form
1,182,212,387,149.10/1,773,139,405,878.30 = 321,753,608,613.99/x - Step 3: Cross multiply
1,182,212,387,149.10x = 1,773,139,405,878.30 × 321,753,608,613.99 - Step 4: Simplify right side
1,182,212,387,149.10x = 570,514,002,417,009,303,748,608 - Step 5: Solve for x
x = 570,514,002,417,009,303,748,608/1,182,212,387,149.10 - Step 6: Final answer
x = 482,581,648,288.09
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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.