Finding the Fourth Proportional to 524,814,038.94, 724,239,067.88 and 286,659,375.42
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Solution
The fourth proportional to 524,814,038.94, 724,239,067.88 and 286,659,375.42 is: 395,587,586.17
Step by Step Solution
- Step 1: Write the proportion equation
524,814,038.94 : 724,239,067.88 = 286,659,375.42 : x - Step 2: Convert to fraction form
524,814,038.94/724,239,067.88 = 286,659,375.42/x - Step 3: Cross multiply
524,814,038.94x = 724,239,067.88 × 286,659,375.42 - Step 4: Simplify right side
524,814,038.94x = 207,609,918,853,243,808 - Step 5: Solve for x
x = 207,609,918,853,243,808/524,814,038.94 - Step 6: Final answer
x = 395,587,586.17
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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.