Finding the Fourth Proportional to 7,280,321,830.84, 10,053,782,900.66 and 6,883,694,430.19
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Solution
The fourth proportional to 7,280,321,830.84, 10,053,782,900.66 and 6,883,694,430.19 is: 9,506,059,067.67
Step by Step Solution
- Step 1: Write the proportion equation
7,280,321,830.84 : 10,053,782,900.66 = 6,883,694,430.19 : x - Step 2: Convert to fraction form
7,280,321,830.84/10,053,782,900.66 = 6,883,694,430.19/x - Step 3: Cross multiply
7,280,321,830.84x = 10,053,782,900.66 × 6,883,694,430.19 - Step 4: Simplify right side
7,280,321,830.84x = 69,207,169,355,612,700,672 - Step 5: Solve for x
x = 69,207,169,355,612,700,672/7,280,321,830.84 - Step 6: Final answer
x = 9,506,059,067.67
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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.