Finding the Fourth Proportional to 784,414,528.80, 1,174,498,426.80 and 614,545,216.80
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Solution
The fourth proportional to 784,414,528.80, 1,174,498,426.80 and 614,545,216.80 is: 920,154,285.56
Step by Step Solution
- Step 1: Write the proportion equation
784,414,528.80 : 1,174,498,426.80 = 614,545,216.80 : x - Step 2: Convert to fraction form
784,414,528.80/1,174,498,426.80 = 614,545,216.80/x - Step 3: Cross multiply
784,414,528.80x = 1,174,498,426.80 × 614,545,216.80 - Step 4: Simplify right side
784,414,528.80x = 721,782,390,329,064,832 - Step 5: Solve for x
x = 721,782,390,329,064,832/784,414,528.80 - Step 6: Final answer
x = 920,154,285.56
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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.