Finding the Fourth Proportional to 19,201,929,551.80, 28,802,894,327.70 and 19,201,929,551.80
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Solution
The fourth proportional to 19,201,929,551.80, 28,802,894,327.70 and 19,201,929,551.80 is: 28,802,894,327.70
Step by Step Solution
- Step 1: Write the proportion equation
19,201,929,551.80 : 28,802,894,327.70 = 19,201,929,551.80 : x - Step 2: Convert to fraction form
19,201,929,551.80/28,802,894,327.70 = 19,201,929,551.80/x - Step 3: Cross multiply
19,201,929,551.80x = 28,802,894,327.70 × 19,201,929,551.80 - Step 4: Simplify right side
19,201,929,551.80x = 553,071,147,768,435,245,056 - Step 5: Solve for x
x = 553,071,147,768,435,245,056/19,201,929,551.80 - Step 6: Final answer
x = 28,802,894,327.70
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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.