Finding the Fourth Proportional to 1,900,366,297.80, 2,850,549,446.70 and 1,594,256,281.80
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Solution
The fourth proportional to 1,900,366,297.80, 2,850,549,446.70 and 1,594,256,281.80 is: 2,391,384,422.70
Step by Step Solution
- Step 1: Write the proportion equation
1,900,366,297.80 : 2,850,549,446.70 = 1,594,256,281.80 : x - Step 2: Convert to fraction form
1,900,366,297.80/2,850,549,446.70 = 1,594,256,281.80/x - Step 3: Cross multiply
1,900,366,297.80x = 2,850,549,446.70 × 1,594,256,281.80 - Step 4: Simplify right side
1,900,366,297.80x = 4,544,506,361,982,988,800 - Step 5: Solve for x
x = 4,544,506,361,982,988,800/1,900,366,297.80 - Step 6: Final answer
x = 2,391,384,422.70
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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.