Finding the Fourth Proportional to 1,727,285,697,586.70, 2,383,729,191,078.80 and 956,534,389,289.55
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Solution
The fourth proportional to 1,727,285,697,586.70, 2,383,729,191,078.80 and 956,534,389,289.55 is: 1,320,058,950,992.26
Step by Step Solution
- Step 1: Write the proportion equation
1,727,285,697,586.70 : 2,383,729,191,078.80 = 956,534,389,289.55 : x - Step 2: Convert to fraction form
1,727,285,697,586.70/2,383,729,191,078.80 = 956,534,389,289.55/x - Step 3: Cross multiply
1,727,285,697,586.70x = 2,383,729,191,078.80 × 956,534,389,289.55 - Step 4: Simplify right side
1,727,285,697,586.70x = 2,280,118,946,020,232,808,890,368 - Step 5: Solve for x
x = 2,280,118,946,020,232,808,890,368/1,727,285,697,586.70 - Step 6: Final answer
x = 1,320,058,950,992.26
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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.