Finding the Fourth Proportional to 2,825,970,624.68, 3,899,768,184.28 and 1,555,798,927.84
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Solution
The fourth proportional to 2,825,970,624.68, 3,899,768,184.28 and 1,555,798,927.84 is: 2,146,963,279.43
Step by Step Solution
- Step 1: Write the proportion equation
2,825,970,624.68 : 3,899,768,184.28 = 1,555,798,927.84 : x - Step 2: Convert to fraction form
2,825,970,624.68/3,899,768,184.28 = 1,555,798,927.84/x - Step 3: Cross multiply
2,825,970,624.68x = 3,899,768,184.28 × 1,555,798,927.84 - Step 4: Simplify right side
2,825,970,624.68x = 6,067,255,159,927,367,680 - Step 5: Solve for x
x = 6,067,255,159,927,367,680/2,825,970,624.68 - Step 6: Final answer
x = 2,146,963,279.43
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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.