Finding the Fourth Proportional to 524,953,821.80, 787,430,732.70 and 524,953,821.80
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Solution
The fourth proportional to 524,953,821.80, 787,430,732.70 and 524,953,821.80 is: 787,430,732.70
Step by Step Solution
- Step 1: Write the proportion equation
524,953,821.80 : 787,430,732.70 = 524,953,821.80 : x - Step 2: Convert to fraction form
524,953,821.80/787,430,732.70 = 524,953,821.80/x - Step 3: Cross multiply
524,953,821.80x = 787,430,732.70 × 524,953,821.80 - Step 4: Simplify right side
524,953,821.80x = 413,364,772,533,639,296 - Step 5: Solve for x
x = 413,364,772,533,639,296/524,953,821.80 - Step 6: Final answer
x = 787,430,732.70
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Double scale
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Similar ratio
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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.