Finding the Fourth Proportional to 3,426,845,745.75, 4,727,306,695.76 and 2,238,110,545.34
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Solution
The fourth proportional to 3,426,845,745.75, 4,727,306,695.76 and 2,238,110,545.34 is: 3,087,455,856.43
Step by Step Solution
- Step 1: Write the proportion equation
3,426,845,745.75 : 4,727,306,695.76 = 2,238,110,545.34 : x - Step 2: Convert to fraction form
3,426,845,745.75/4,727,306,695.76 = 2,238,110,545.34/x - Step 3: Cross multiply
3,426,845,745.75x = 4,727,306,695.76 × 2,238,110,545.34 - Step 4: Simplify right side
3,426,845,745.75x = 10,580,234,966,819,284,992 - Step 5: Solve for x
x = 10,580,234,966,819,284,992/3,426,845,745.75 - Step 6: Final answer
x = 3,087,455,856.43
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1.5x scale
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.