Finding the Fourth Proportional to 1,569,011,526.16, 2,165,334,240.36 and 864,163,367.44
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Solution
The fourth proportional to 1,569,011,526.16, 2,165,334,240.36 and 864,163,367.44 is: 1,192,599,606.56
Step by Step Solution
- Step 1: Write the proportion equation
1,569,011,526.16 : 2,165,334,240.36 = 864,163,367.44 : x - Step 2: Convert to fraction form
1,569,011,526.16/2,165,334,240.36 = 864,163,367.44/x - Step 3: Cross multiply
1,569,011,526.16x = 2,165,334,240.36 × 864,163,367.44 - Step 4: Simplify right side
1,569,011,526.16x = 1,871,202,528,782,632,192 - Step 5: Solve for x
x = 1,871,202,528,782,632,192/1,569,011,526.16 - Step 6: Final answer
x = 1,192,599,606.56
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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.