Finding the Fourth Proportional to 15,190,262,693.40, 22,793,163,724.26 and 7,231,423,531.80
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Solution
The fourth proportional to 15,190,262,693.40, 22,793,163,724.26 and 7,231,423,531.80 is: 10,850,834,106.47
Step by Step Solution
- Step 1: Write the proportion equation
15,190,262,693.40 : 22,793,163,724.26 = 7,231,423,531.80 : x - Step 2: Convert to fraction form
15,190,262,693.40/22,793,163,724.26 = 7,231,423,531.80/x - Step 3: Cross multiply
15,190,262,693.40x = 22,793,163,724.26 × 7,231,423,531.80 - Step 4: Simplify right side
15,190,262,693.40x = 164,827,020,519,783,890,944 - Step 5: Solve for x
x = 164,827,020,519,783,890,944/15,190,262,693.40 - Step 6: Final answer
x = 10,850,834,106.47
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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.