Finding the Fourth Proportional to 746,498,563.20, 1,119,747,844.80 and 730,573,315.20
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Solution
The fourth proportional to 746,498,563.20, 1,119,747,844.80 and 730,573,315.20 is: 1,095,859,972.80
Step by Step Solution
- Step 1: Write the proportion equation
746,498,563.20 : 1,119,747,844.80 = 730,573,315.20 : x - Step 2: Convert to fraction form
746,498,563.20/1,119,747,844.80 = 730,573,315.20/x - Step 3: Cross multiply
746,498,563.20x = 1,119,747,844.80 × 730,573,315.20 - Step 4: Simplify right side
746,498,563.20x = 818,057,895,163,591,040 - Step 5: Solve for x
x = 818,057,895,163,591,040/746,498,563.20 - Step 6: Final answer
x = 1,095,859,972.80
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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.