Finding the Fourth Proportional to 7,823,106,155.79, 11,739,485,923.45 and 3,625,276,521.78
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Solution
The fourth proportional to 7,823,106,155.79, 11,739,485,923.45 and 3,625,276,521.78 is: 5,440,151,501.02
Step by Step Solution
- Step 1: Write the proportion equation
7,823,106,155.79 : 11,739,485,923.45 = 3,625,276,521.78 : x - Step 2: Convert to fraction form
7,823,106,155.79/11,739,485,923.45 = 3,625,276,521.78/x - Step 3: Cross multiply
7,823,106,155.79x = 11,739,485,923.45 × 3,625,276,521.78 - Step 4: Simplify right side
7,823,106,155.79x = 42,558,882,696,042,840,064 - Step 5: Solve for x
x = 42,558,882,696,042,840,064/7,823,106,155.79 - Step 6: Final answer
x = 5,440,151,501.02
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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.