Finding the Fourth Proportional to 2,013,944,132.44, 2,778,873,960.63 and 1,121,848,658.47
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Solution
The fourth proportional to 2,013,944,132.44, 2,778,873,960.63 and 1,121,848,658.47 is: 1,547,945,632.94
Step by Step Solution
- Step 1: Write the proportion equation
2,013,944,132.44 : 2,778,873,960.63 = 1,121,848,658.47 : x - Step 2: Convert to fraction form
2,013,944,132.44/2,778,873,960.63 = 1,121,848,658.47/x - Step 3: Cross multiply
2,013,944,132.44x = 2,778,873,960.63 × 1,121,848,658.47 - Step 4: Simplify right side
2,013,944,132.44x = 3,117,476,024,789,981,184 - Step 5: Solve for x
x = 3,117,476,024,789,981,184/2,013,944,132.44 - Step 6: Final answer
x = 1,547,945,632.94
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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.