Finding the Fourth Proportional to 3,593,376,745.10, 5,390,065,117.65 and 870,159,337.10
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Solution
The fourth proportional to 3,593,376,745.10, 5,390,065,117.65 and 870,159,337.10 is: 1,305,239,005.65
Step by Step Solution
- Step 1: Write the proportion equation
3,593,376,745.10 : 5,390,065,117.65 = 870,159,337.10 : x - Step 2: Convert to fraction form
3,593,376,745.10/5,390,065,117.65 = 870,159,337.10/x - Step 3: Cross multiply
3,593,376,745.10x = 5,390,065,117.65 × 870,159,337.10 - Step 4: Simplify right side
3,593,376,745.10x = 4,690,215,489,700,157,440 - Step 5: Solve for x
x = 4,690,215,489,700,157,440/3,593,376,745.10 - Step 6: Final answer
x = 1,305,239,005.65
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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.