Finding the Fourth Proportional to 79,154,427,365.96, 109,245,050,063.08 and 48,272,628,324.14
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Solution
The fourth proportional to 79,154,427,365.96, 109,245,050,063.08 and 48,272,628,324.14 is: 66,623,508,923.45
Step by Step Solution
- Step 1: Write the proportion equation
79,154,427,365.96 : 109,245,050,063.08 = 48,272,628,324.14 : x - Step 2: Convert to fraction form
79,154,427,365.96/109,245,050,063.08 = 48,272,628,324.14/x - Step 3: Cross multiply
79,154,427,365.96x = 109,245,050,063.08 × 48,272,628,324.14 - Step 4: Simplify right side
79,154,427,365.96x = 5,273,545,697,946,581,860,352 - Step 5: Solve for x
x = 5,273,545,697,946,581,860,352/79,154,427,365.96 - Step 6: Final answer
x = 66,623,508,923.45
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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.