Finding the Fourth Proportional to 386,249,865,169.28, 533,015,406,582.70 and 212,633,593,545.92
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Solution
The fourth proportional to 386,249,865,169.28, 533,015,406,582.70 and 212,633,593,545.92 is: 293,429,180,272.59
Step by Step Solution
- Step 1: Write the proportion equation
386,249,865,169.28 : 533,015,406,582.70 = 212,633,593,545.92 : x - Step 2: Convert to fraction form
386,249,865,169.28/533,015,406,582.70 = 212,633,593,545.92/x - Step 3: Cross multiply
386,249,865,169.28x = 533,015,406,582.70 × 212,633,593,545.92 - Step 4: Simplify right side
386,249,865,169.28x = 113,336,981,317,019,127,250,944 - Step 5: Solve for x
x = 113,336,981,317,019,127,250,944/386,249,865,169.28 - Step 6: Final answer
x = 293,429,180,272.59
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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.