Finding the Fourth Proportional to 423,534,871.98, 634,753,050.19 and 190,193,286.06
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Solution
The fourth proportional to 423,534,871.98, 634,753,050.19 and 190,193,286.06 is: 285,043,278.46
Step by Step Solution
- Step 1: Write the proportion equation
423,534,871.98 : 634,753,050.19 = 190,193,286.06 : x - Step 2: Convert to fraction form
423,534,871.98/634,753,050.19 = 190,193,286.06/x - Step 3: Cross multiply
423,534,871.98x = 634,753,050.19 × 190,193,286.06 - Step 4: Simplify right side
423,534,871.98x = 120,725,768,452,244,224 - Step 5: Solve for x
x = 120,725,768,452,244,224/423,534,871.98 - Step 6: Final answer
x = 285,043,278.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.