Finding the Fourth Proportional to 331,778,246.40, 497,667,369.60 and 283,405,305.60
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Solution
The fourth proportional to 331,778,246.40, 497,667,369.60 and 283,405,305.60 is: 425,107,958.40
Step by Step Solution
- Step 1: Write the proportion equation
331,778,246.40 : 497,667,369.60 = 283,405,305.60 : x - Step 2: Convert to fraction form
331,778,246.40/497,667,369.60 = 283,405,305.60/x - Step 3: Cross multiply
331,778,246.40x = 497,667,369.60 × 283,405,305.60 - Step 4: Simplify right side
331,778,246.40x = 141,041,572,968,636,176 - Step 5: Solve for x
x = 141,041,572,968,636,176/331,778,246.40 - Step 6: Final answer
x = 425,107,958.40
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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.