Finding the Fourth Proportional to 1,119,630,866.70, 1,545,397,912.71 and 649,883,525.58
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Solution
The fourth proportional to 1,119,630,866.70, 1,545,397,912.71 and 649,883,525.58 is: 897,017,645.55
Step by Step Solution
- Step 1: Write the proportion equation
1,119,630,866.70 : 1,545,397,912.71 = 649,883,525.58 : x - Step 2: Convert to fraction form
1,119,630,866.70/1,545,397,912.71 = 649,883,525.58/x - Step 3: Cross multiply
1,119,630,866.70x = 1,545,397,912.71 × 649,883,525.58 - Step 4: Simplify right side
1,119,630,866.70x = 1,004,328,643,935,948,032 - Step 5: Solve for x
x = 1,004,328,643,935,948,032/1,119,630,866.70 - Step 6: Final answer
x = 897,017,645.55
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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.