Finding the Fourth Proportional to 426,249,207.68, 588,223,900.92 and 230,678,919.68
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Solution
The fourth proportional to 426,249,207.68, 588,223,900.92 and 230,678,919.68 is: 318,336,906.09
Step by Step Solution
- Step 1: Write the proportion equation
426,249,207.68 : 588,223,900.92 = 230,678,919.68 : x - Step 2: Convert to fraction form
426,249,207.68/588,223,900.92 = 230,678,919.68/x - Step 3: Cross multiply
426,249,207.68x = 588,223,900.92 × 230,678,919.68 - Step 4: Simplify right side
426,249,207.68x = 135,690,853,994,180,960 - Step 5: Solve for x
x = 135,690,853,994,180,960/426,249,207.68 - Step 6: Final answer
x = 318,336,906.09
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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.