Finding the Fourth Proportional to 406,251,609.78, 609,185,313.94 and 157,373,430
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Solution
The fourth proportional to 406,251,609.78, 609,185,313.94 and 157,373,430 is: 235,985,729.17
Step by Step Solution
- Step 1: Write the proportion equation
406,251,609.78 : 609,185,313.94 = 157,373,430 : x - Step 2: Convert to fraction form
406,251,609.78/609,185,313.94 = 157,373,430/x - Step 3: Cross multiply
406,251,609.78x = 609,185,313.94 × 157,373,430 - Step 4: Simplify right side
406,251,609.78x = 95,869,582,359,971,184 - Step 5: Solve for x
x = 95,869,582,359,971,184/406,251,609.78 - Step 6: Final answer
x = 235,985,729.17
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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.