Finding the Fourth Proportional to 776,366,911.08, 1,163,687,769.27 and 591,525,006.21
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Solution
The fourth proportional to 776,366,911.08, 1,163,687,769.27 and 591,525,006.21 is: 886,630,284.11
Step by Step Solution
- Step 1: Write the proportion equation
776,366,911.08 : 1,163,687,769.27 = 591,525,006.21 : x - Step 2: Convert to fraction form
776,366,911.08/1,163,687,769.27 = 591,525,006.21/x - Step 3: Cross multiply
776,366,911.08x = 1,163,687,769.27 × 591,525,006.21 - Step 4: Simplify right side
776,366,911.08x = 688,350,414,943,937,792 - Step 5: Solve for x
x = 688,350,414,943,937,792/776,366,911.08 - Step 6: Final answer
x = 886,630,284.11
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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.