Finding the Fourth Proportional to 6,443,801,171.36, 8,892,381,368.58 and 3,585,894,432.99
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Solution
The fourth proportional to 6,443,801,171.36, 8,892,381,368.58 and 3,585,894,432.99 is: 4,948,498,564.38
Step by Step Solution
- Step 1: Write the proportion equation
6,443,801,171.36 : 8,892,381,368.58 = 3,585,894,432.99 : x - Step 2: Convert to fraction form
6,443,801,171.36/8,892,381,368.58 = 3,585,894,432.99/x - Step 3: Cross multiply
6,443,801,171.36x = 8,892,381,368.58 × 3,585,894,432.99 - Step 4: Simplify right side
6,443,801,171.36x = 31,887,140,845,615,017,984 - Step 5: Solve for x
x = 31,887,140,845,615,017,984/6,443,801,171.36 - Step 6: Final answer
x = 4,948,498,564.38
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Double scale
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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.