Finding the Fourth Proportional to 400,254,027.08, 552,356,197.56 and 230,614,509.87
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Solution
The fourth proportional to 400,254,027.08, 552,356,197.56 and 230,614,509.87 is: 318,251,273.33
Step by Step Solution
- Step 1: Write the proportion equation
400,254,027.08 : 552,356,197.56 = 230,614,509.87 : x - Step 2: Convert to fraction form
400,254,027.08/552,356,197.56 = 230,614,509.87/x - Step 3: Cross multiply
400,254,027.08x = 552,356,197.56 × 230,614,509.87 - Step 4: Simplify right side
400,254,027.08x = 127,381,353,773,956,272 - Step 5: Solve for x
x = 127,381,353,773,956,272/400,254,027.08 - Step 6: Final answer
x = 318,251,273.33
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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.