Finding the Fourth Proportional to 88,653,436,415.76, 122,341,860,234.35 and 48,008,417,988.69
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Solution
The fourth proportional to 88,653,436,415.76, 122,341,860,234.35 and 48,008,417,988.69 is: 66,251,680,714.32
Step by Step Solution
- Step 1: Write the proportion equation
88,653,436,415.76 : 122,341,860,234.35 = 48,008,417,988.69 : x - Step 2: Convert to fraction form
88,653,436,415.76/122,341,860,234.35 = 48,008,417,988.69/x - Step 3: Cross multiply
88,653,436,415.76x = 122,341,860,234.35 × 48,008,417,988.69 - Step 4: Simplify right side
88,653,436,415.76x = 5,873,439,163,644,566,831,104 - Step 5: Solve for x
x = 5,873,439,163,644,566,831,104/88,653,436,415.76 - Step 6: Final answer
x = 66,251,680,714.32
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Double scale
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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.