Finding the Fourth Proportional to 366,654,599.67, 507,315,741.63 and 319,709,565.21
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Solution
The fourth proportional to 366,654,599.67, 507,315,741.63 and 319,709,565.21 is: 442,360,999.50
Step by Step Solution
- Step 1: Write the proportion equation
366,654,599.67 : 507,315,741.63 = 319,709,565.21 : x - Step 2: Convert to fraction form
366,654,599.67/507,315,741.63 = 319,709,565.21/x - Step 3: Cross multiply
366,654,599.67x = 507,315,741.63 × 319,709,565.21 - Step 4: Simplify right side
366,654,599.67x = 162,193,695,180,716,000 - Step 5: Solve for x
x = 162,193,695,180,716,000/366,654,599.67 - Step 6: Final answer
x = 442,360,999.50
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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.