Finding the Fourth Proportional to 896,893,195.80, 1,345,339,793.70 and 806,495,081.70
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Solution
The fourth proportional to 896,893,195.80, 1,345,339,793.70 and 806,495,081.70 is: 1,209,742,622.55
Step by Step Solution
- Step 1: Write the proportion equation
896,893,195.80 : 1,345,339,793.70 = 806,495,081.70 : x - Step 2: Convert to fraction form
896,893,195.80/1,345,339,793.70 = 806,495,081.70/x - Step 3: Cross multiply
896,893,195.80x = 1,345,339,793.70 × 806,495,081.70 - Step 4: Simplify right side
896,893,195.80x = 1,085,009,926,834,342,784 - Step 5: Solve for x
x = 1,085,009,926,834,342,784/896,893,195.80 - Step 6: Final answer
x = 1,209,742,622.55
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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.