Finding the Fourth Proportional to 1,710,987,401.28, 2,361,101,521.86 and 968,415,520.80
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Solution
The fourth proportional to 1,710,987,401.28, 2,361,101,521.86 and 968,415,520.80 is: 1,336,378,840.80
Step by Step Solution
- Step 1: Write the proportion equation
1,710,987,401.28 : 2,361,101,521.86 = 968,415,520.80 : x - Step 2: Convert to fraction form
1,710,987,401.28/2,361,101,521.86 = 968,415,520.80/x - Step 3: Cross multiply
1,710,987,401.28x = 2,361,101,521.86 × 968,415,520.80 - Step 4: Simplify right side
1,710,987,401.28x = 2,286,527,359,953,724,416 - Step 5: Solve for x
x = 2,286,527,359,953,724,416/1,710,987,401.28 - Step 6: Final answer
x = 1,336,378,840.80
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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.