Finding the Fourth Proportional to 1,955,424,701.20, 2,933,137,051.80 and 922,303,397.20
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Solution
The fourth proportional to 1,955,424,701.20, 2,933,137,051.80 and 922,303,397.20 is: 1,383,455,095.80
Step by Step Solution
- Step 1: Write the proportion equation
1,955,424,701.20 : 2,933,137,051.80 = 922,303,397.20 : x - Step 2: Convert to fraction form
1,955,424,701.20/2,933,137,051.80 = 922,303,397.20/x - Step 3: Cross multiply
1,955,424,701.20x = 2,933,137,051.80 × 922,303,397.20 - Step 4: Simplify right side
1,955,424,701.20x = 2,705,242,267,328,332,800 - Step 5: Solve for x
x = 2,705,242,267,328,332,800/1,955,424,701.20 - Step 6: Final answer
x = 1,383,455,095.80
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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.