Finding the Fourth Proportional to 762,230,633.13, 1,143,400,597.97 and 319,127,416.65
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Solution
The fourth proportional to 762,230,633.13, 1,143,400,597.97 and 319,127,416.65 is: 478,714,004.88
Step by Step Solution
- Step 1: Write the proportion equation
762,230,633.13 : 1,143,400,597.97 = 319,127,416.65 : x - Step 2: Convert to fraction form
762,230,633.13/1,143,400,597.97 = 319,127,416.65/x - Step 3: Cross multiply
762,230,633.13x = 1,143,400,597.97 × 319,127,416.65 - Step 4: Simplify right side
762,230,633.13x = 364,890,479,024,635,648 - Step 5: Solve for x
x = 364,890,479,024,635,648/762,230,633.13 - Step 6: Final answer
x = 478,714,004.88
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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.