Finding the Fourth Proportional to 360,187,743.48, 497,004,118.34 and 203,497,679.08
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Solution
The fourth proportional to 360,187,743.48, 497,004,118.34 and 203,497,679.08 is: 280,795,741.68
Step by Step Solution
- Step 1: Write the proportion equation
360,187,743.48 : 497,004,118.34 = 203,497,679.08 : x - Step 2: Convert to fraction form
360,187,743.48/497,004,118.34 = 203,497,679.08/x - Step 3: Cross multiply
360,187,743.48x = 497,004,118.34 × 203,497,679.08 - Step 4: Simplify right side
360,187,743.48x = 101,139,184,575,391,664 - Step 5: Solve for x
x = 101,139,184,575,391,664/360,187,743.48 - Step 6: Final answer
x = 280,795,741.68
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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.