Finding the Fourth Proportional to 415,513,675.68, 573,409,430.64 and 227,359,646.88
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Solution
The fourth proportional to 415,513,675.68, 573,409,430.64 and 227,359,646.88 is: 313,756,618.13
Step by Step Solution
- Step 1: Write the proportion equation
415,513,675.68 : 573,409,430.64 = 227,359,646.88 : x - Step 2: Convert to fraction form
415,513,675.68/573,409,430.64 = 227,359,646.88/x - Step 3: Cross multiply
415,513,675.68x = 573,409,430.64 × 227,359,646.88 - Step 4: Simplify right side
415,513,675.68x = 130,370,165,667,972,240 - Step 5: Solve for x
x = 130,370,165,667,972,240/415,513,675.68 - Step 6: Final answer
x = 313,756,618.13
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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.