Finding the Fourth Proportional to 1,505,946,701.80, 2,258,920,052.70 and 689,653,325.80
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Solution
The fourth proportional to 1,505,946,701.80, 2,258,920,052.70 and 689,653,325.80 is: 1,034,479,988.70
Step by Step Solution
- Step 1: Write the proportion equation
1,505,946,701.80 : 2,258,920,052.70 = 689,653,325.80 : x - Step 2: Convert to fraction form
1,505,946,701.80/2,258,920,052.70 = 689,653,325.80/x - Step 3: Cross multiply
1,505,946,701.80x = 2,258,920,052.70 × 689,653,325.80 - Step 4: Simplify right side
1,505,946,701.80x = 1,557,871,727,060,866,048 - Step 5: Solve for x
x = 1,557,871,727,060,866,048/1,505,946,701.80 - Step 6: Final answer
x = 1,034,479,988.70
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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.