Finding the Fourth Proportional to 996,818,979.05, 1,495,228,468.58 and 996,818,979.05
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Solution
The fourth proportional to 996,818,979.05, 1,495,228,468.58 and 996,818,979.05 is: 1,495,228,468.58
Step by Step Solution
- Step 1: Write the proportion equation
996,818,979.05 : 1,495,228,468.58 = 996,818,979.05 : x - Step 2: Convert to fraction form
996,818,979.05/1,495,228,468.58 = 996,818,979.05/x - Step 3: Cross multiply
996,818,979.05x = 1,495,228,468.58 × 996,818,979.05 - Step 4: Simplify right side
996,818,979.05x = 1,490,472,115,496,410,368 - Step 5: Solve for x
x = 1,490,472,115,496,410,368/996,818,979.05 - Step 6: Final answer
x = 1,495,228,468.58
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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.