Finding the Fourth Proportional to 5,712,790,425.80, 8,569,185,638.70 and 4,043,923,968.20
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Solution
The fourth proportional to 5,712,790,425.80, 8,569,185,638.70 and 4,043,923,968.20 is: 6,065,885,952.30
Step by Step Solution
- Step 1: Write the proportion equation
5,712,790,425.80 : 8,569,185,638.70 = 4,043,923,968.20 : x - Step 2: Convert to fraction form
5,712,790,425.80/8,569,185,638.70 = 4,043,923,968.20/x - Step 3: Cross multiply
5,712,790,425.80x = 8,569,185,638.70 × 4,043,923,968.20 - Step 4: Simplify right side
5,712,790,425.80x = 34,653,135,192,294,154,240 - Step 5: Solve for x
x = 34,653,135,192,294,154,240/5,712,790,425.80 - Step 6: Final answer
x = 6,065,885,952.30
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1.5x scale
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.