Finding the Fourth Proportional to 1,513,728,823.20, 2,270,593,234.80 and 1,026,416,234.40
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Solution
The fourth proportional to 1,513,728,823.20, 2,270,593,234.80 and 1,026,416,234.40 is: 1,539,624,351.60
Step by Step Solution
- Step 1: Write the proportion equation
1,513,728,823.20 : 2,270,593,234.80 = 1,026,416,234.40 : x - Step 2: Convert to fraction form
1,513,728,823.20/2,270,593,234.80 = 1,026,416,234.40/x - Step 3: Cross multiply
1,513,728,823.20x = 2,270,593,234.80 × 1,026,416,234.40 - Step 4: Simplify right side
1,513,728,823.20x = 2,330,573,757,917,531,136 - Step 5: Solve for x
x = 2,330,573,757,917,531,136/1,513,728,823.20 - Step 6: Final answer
x = 1,539,624,351.60
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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.