Finding the Fourth Proportional to 8,406,727,182.12, 11,599,358,829.66 and 5,018,977,139.40
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Solution
The fourth proportional to 8,406,727,182.12, 11,599,358,829.66 and 5,018,977,139.40 is: 6,925,039,380.55
Step by Step Solution
- Step 1: Write the proportion equation
8,406,727,182.12 : 11,599,358,829.66 = 5,018,977,139.40 : x - Step 2: Convert to fraction form
8,406,727,182.12/11,599,358,829.66 = 5,018,977,139.40/x - Step 3: Cross multiply
8,406,727,182.12x = 11,599,358,829.66 × 5,018,977,139.40 - Step 4: Simplify right side
8,406,727,182.12x = 58,216,916,797,761,077,248 - Step 5: Solve for x
x = 58,216,916,797,761,077,248/8,406,727,182.12 - Step 6: Final answer
x = 6,925,039,380.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.