Finding the Fourth Proportional to 4,292,898,865.14, 5,920,203,545.44 and 2,785,913,875.54
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Solution
The fourth proportional to 4,292,898,865.14, 5,920,203,545.44 and 2,785,913,875.54 is: 3,841,967,332.89
Step by Step Solution
- Step 1: Write the proportion equation
4,292,898,865.14 : 5,920,203,545.44 = 2,785,913,875.54 : x - Step 2: Convert to fraction form
4,292,898,865.14/5,920,203,545.44 = 2,785,913,875.54/x - Step 3: Cross multiply
4,292,898,865.14x = 5,920,203,545.44 × 2,785,913,875.54 - Step 4: Simplify right side
4,292,898,865.14x = 16,493,177,203,262,398,464 - Step 5: Solve for x
x = 16,493,177,203,262,398,464/4,292,898,865.14 - Step 6: Final answer
x = 3,841,967,332.89
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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.