Finding the Fourth Proportional to 7,484,279,905,432.40, 11,207,085,398,388 and 5,165,392,032,117.40
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Solution
The fourth proportional to 7,484,279,905,432.40, 11,207,085,398,388 and 5,165,392,032,117.40 is: 7,734,744,070,444.83
Step by Step Solution
- Step 1: Write the proportion equation
7,484,279,905,432.40 : 11,207,085,398,388 = 5,165,392,032,117.40 : x - Step 2: Convert to fraction form
7,484,279,905,432.40/11,207,085,398,388 = 5,165,392,032,117.40/x - Step 3: Cross multiply
7,484,279,905,432.40x = 11,207,085,398,388 × 5,165,392,032,117.40 - Step 4: Simplify right side
7,484,279,905,432.40x = 57,888,989,620,092,634,625,212,416 - Step 5: Solve for x
x = 57,888,989,620,092,634,625,212,416/7,484,279,905,432.40 - Step 6: Final answer
x = 7,734,744,070,444.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.