Finding the Fourth Proportional to 1,599,948,268.06, 2,207,912,342.95 and 885,485,215.44
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Solution
The fourth proportional to 1,599,948,268.06, 2,207,912,342.95 and 885,485,215.44 is: 1,221,960,594.41
Step by Step Solution
- Step 1: Write the proportion equation
1,599,948,268.06 : 2,207,912,342.95 = 885,485,215.44 : x - Step 2: Convert to fraction form
1,599,948,268.06/2,207,912,342.95 = 885,485,215.44/x - Step 3: Cross multiply
1,599,948,268.06x = 2,207,912,342.95 × 885,485,215.44 - Step 4: Simplify right side
1,599,948,268.06x = 1,955,073,736,669,715,968 - Step 5: Solve for x
x = 1,955,073,736,669,715,968/1,599,948,268.06 - Step 6: Final answer
x = 1,221,960,594.41
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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.