Finding the Fourth Proportional to 1,694,190,038.90, 2,541,285,058.35 and 775,859,990.90
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Solution
The fourth proportional to 1,694,190,038.90, 2,541,285,058.35 and 775,859,990.90 is: 1,163,789,986.35
Step by Step Solution
- Step 1: Write the proportion equation
1,694,190,038.90 : 2,541,285,058.35 = 775,859,990.90 : x - Step 2: Convert to fraction form
1,694,190,038.90/2,541,285,058.35 = 775,859,990.90/x - Step 3: Cross multiply
1,694,190,038.90x = 2,541,285,058.35 × 775,859,990.90 - Step 4: Simplify right side
1,694,190,038.90x = 1,971,681,402,245,736,960 - Step 5: Solve for x
x = 1,971,681,402,245,736,960/1,694,190,038.90 - Step 6: Final answer
x = 1,163,789,986.35
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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.