Finding the Fourth Proportional to 7,558,288,139.70, 11,337,432,209.55 and 6,868,973,733.30
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Solution
The fourth proportional to 7,558,288,139.70, 11,337,432,209.55 and 6,868,973,733.30 is: 10,303,460,599.95
Step by Step Solution
- Step 1: Write the proportion equation
7,558,288,139.70 : 11,337,432,209.55 = 6,868,973,733.30 : x - Step 2: Convert to fraction form
7,558,288,139.70/11,337,432,209.55 = 6,868,973,733.30/x - Step 3: Cross multiply
7,558,288,139.70x = 11,337,432,209.55 × 6,868,973,733.30 - Step 4: Simplify right side
7,558,288,139.70x = 77,876,524,050,468,323,328 - Step 5: Solve for x
x = 77,876,524,050,468,323,328/7,558,288,139.70 - Step 6: Final answer
x = 10,303,460,599.95
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Double scale
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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.