Finding the Fourth Proportional to 5,565,687,130.80, 8,349,538,465.80 and 2,798,351,809.20
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Solution
The fourth proportional to 5,565,687,130.80, 8,349,538,465.80 and 2,798,351,809.20 is: 4,198,034,406.65
Step by Step Solution
- Step 1: Write the proportion equation
5,565,687,130.80 : 8,349,538,465.80 = 2,798,351,809.20 : x - Step 2: Convert to fraction form
5,565,687,130.80/8,349,538,465.80 = 2,798,351,809.20/x - Step 3: Cross multiply
5,565,687,130.80x = 8,349,538,465.80 × 2,798,351,809.20 - Step 4: Simplify right side
5,565,687,130.80x = 23,364,946,071,756,423,168 - Step 5: Solve for x
x = 23,364,946,071,756,423,168/5,565,687,130.80 - Step 6: Final answer
x = 4,198,034,406.65
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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.