Finding the Fourth Proportional to 221,994,349,353.47, 306,344,275,656.81 and 125,648,367,240.77
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Solution
The fourth proportional to 221,994,349,353.47, 306,344,275,656.81 and 125,648,367,240.77 is: 173,390,260,436.52
Step by Step Solution
- Step 1: Write the proportion equation
221,994,349,353.47 : 306,344,275,656.81 = 125,648,367,240.77 : x - Step 2: Convert to fraction form
221,994,349,353.47/306,344,275,656.81 = 125,648,367,240.77/x - Step 3: Cross multiply
221,994,349,353.47x = 306,344,275,656.81 × 125,648,367,240.77 - Step 4: Simplify right side
221,994,349,353.47x = 38,491,658,049,834,543,218,688 - Step 5: Solve for x
x = 38,491,658,049,834,543,218,688/221,994,349,353.47 - Step 6: Final answer
x = 173,390,260,436.52
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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.